Dan Schnell

1.8k total citations · 1 hit paper
12 papers, 1.2k citations indexed

About

Dan Schnell is a scholar working on Epidemiology, Oncology and Genetics. According to data from OpenAlex, Dan Schnell has authored 12 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Epidemiology, 4 papers in Oncology and 4 papers in Genetics. Recurrent topics in Dan Schnell's work include Inflammatory Bowel Disease (4 papers), Microscopic Colitis (3 papers) and Colorectal Cancer Screening and Detection (3 papers). Dan Schnell is often cited by papers focused on Inflammatory Bowel Disease (4 papers), Microscopic Colitis (3 papers) and Colorectal Cancer Screening and Detection (3 papers). Dan Schnell collaborates with scholars based in United States, United Kingdom and Canada. Dan Schnell's co-authors include Simon Travis, Piotr Krzeski, Bruce Yacyshyn, Gary R. Lichtenstein, Douglas G. Altman, Christian A. Bernhardt, William J. Sandborn, Stephen B. Hanauer, Brian G. Feagan and María T. Abreu and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Gastroenterology and Gut.

In The Last Decade

Dan Schnell

11 papers receiving 1.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Developing an instrument to assess the endoscopic severity of ulcerative colitis: the Ulcerative Colitis Endoscopic Index of Severity (UCEIS)

2011 441 citations Simon Travis, Dan Schnell et al. Gut profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Dan Schnell United States	8	719	587	383	200	111	12	1.2k
Matteo Martinato Italy	12	744 1.0×	568 1.0×	376 1.0×	89 0.4×	107 1.0×	38	1.2k
Yishai Ron Israel	14	380 0.5×	307 0.5×	276 0.7×	118 0.6×	226 2.0×	27	865
Daniel Burger Switzerland	15	626 0.9×	558 1.0×	511 1.3×	267 1.3×	185 1.7×	37	1.4k
Tibor Hlavatý Slovakia	17	702 1.0×	652 1.1×	331 0.9×	120 0.6×	122 1.1×	58	1.3k
Wan‐Ju Lee United States	15	387 0.5×	291 0.5×	137 0.4×	75 0.4×	29 0.3×	46	795
Christopher J. Justinich United States	20	419 0.6×	296 0.5×	566 1.5×	48 0.2×	340 3.1×	35	1.2k
Andrew B. Grossman United States	19	599 0.8×	382 0.7×	187 0.5×	20 0.1×	35 0.3×	48	952
C. Canavan United Kingdom	9	447 0.6×	397 0.7×	327 0.9×	173 0.9×	390 3.5×	15	1.1k
Anna Testa Italy	24	1.1k 1.5×	778 1.3×	576 1.5×	148 0.7×	166 1.5×	90	2.0k
Raffaella Tortora Italy	25	211 0.3×	722 1.2×	550 1.4×	122 0.6×	814 7.3×	73	1.5k

Countries citing papers authored by Dan Schnell

Since Specialization

Citations

This map shows the geographic impact of Dan Schnell's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Dan Schnell with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Dan Schnell more than expected).

Fields of papers citing papers by Dan Schnell

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Dan Schnell. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Dan Schnell. The network helps show where Dan Schnell may publish in the future.

Co-authorship network of co-authors of Dan Schnell

This figure shows the co-authorship network connecting the top 25 collaborators of Dan Schnell. A scholar is included among the top collaborators of Dan Schnell based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Dan Schnell. Dan Schnell is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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12 of 12 papers shown

1.

Schnell, Dan, Sreeja Parameswaran, Nathan Salomonis, et al.. (2025). A survey of pathogenic involvement in non-communicable human diseases. Communications Medicine. 5(1). 242–242. 1 indexed citations

2.

Hortells, Luis, Íñigo Valiente-Alandí, Zachary M. Thomas, et al.. (2020). A specialized population of Periostin-expressing cardiac fibroblasts contributes to postnatal cardiomyocyte maturation and innervation. Proceedings of the National Academy of Sciences. 117(35). 21469–21479. 47 indexed citations

3.

Ng, Amanda Hui Qi, Ping Hu, Dan Schnell, et al.. (2018). Understanding the microbial basis of body odor in pre-pubescent children and teenagers. Microbiome. 6(1). 213–213. 48 indexed citations

4.

Venkataraman, Arvind, et al.. (2018). Spike-in Genomic DNA for Validating Performance of Metagenomics Workflows. BioTechniques. 65(6). 315–321. 22 indexed citations

5.

Travis, Simon, Dan Schnell, Brian G. Feagan, et al.. (2015). The Impact of Clinical Information on the Assessment of Endoscopic Activity: Characteristics of the Ulcerative Colitis Endoscopic Index Of Severity [UCEIS]. Journal of Crohn s and Colitis. 9(8). 607–616. 45 indexed citations

6.

Travis, Simon, Dan Schnell, Piotr Krzeski, et al.. (2013). Reliability and Initial Validation of the Ulcerative Colitis Endoscopic Index of Severity. Gastroenterology. 145(5). 987–995. 328 indexed citations

7.

Sandborn, William J., Dan Schnell, Piotr Krzeski, et al.. (2013). 558 Influence of Symptom Knowledge and History on Disease Scoring With the Ulcerative Colitis Endoscopic Index of Severity (UCEIS). Gastroenterology. 144(5). S–103.

8.

Travis, Simon, Dan Schnell, Piotr Krzeski, et al.. (2011). Developing an instrument to assess the endoscopic severity of ulcerative colitis: the Ulcerative Colitis Endoscopic Index of Severity (UCEIS). Gut. 61(4). 535–542. 441 indexed citations breakdown →

9.

Perkins, Alan C., P. E. Blackshaw, Peter Hay, et al.. (2008). Esophageal transit and in vivo disintegration of branded risedronate sodium tablets and two generic formulations of alendronic acid tablets: A single-center, single-blind, six-period crossover study in healthy female subjects. Clinical Therapeutics. 30(5). 834–844. 20 indexed citations

10.

Mallinckrodt, Craig, P. W. Lane, Dan Schnell, Yahong Peng, & James P. Mancuso. (2008). Recommendations for the Primary Analysis of Continuous Endpoints in Longitudinal Clinical Trials. Drug Information Journal. 42(4). 303–319. 199 indexed citations

11.

Sandborn, William J., et al.. (2008). Developing an Ulcerative Colitis Endoscopic Index of Severity (Uceis). The American Journal of Gastroenterology. 103. S494–S495. 2 indexed citations

12.

Abreu, María T., Simon Travis, Rachel Cooney, et al.. (2006). Conduct of Clinical Trials in UC. The American Journal of Gastroenterology. 101. S429–S430. 4 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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