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Developement process: Protocol template for COS domains
Domain developement process: COS_domain_development_process_5_9_2018
Instrument developement process: COS_instrument_development_process_version_5_9_2018
Guidance: COUSIN_guidance_version_12_March_2021
Proposal from: COS Proposal_form_version_5_9_2018

HOME Roadmap

The Harmonising Outcomes for Eczema (HOME) roadmap: A methodological framework to develop core sets of outcome measurements in dermatology.
Schmitt J, Apfelbacher C, Spuls PI, Thomas KS, Simpson EL, Furue M, Chalmers J, Williams HC.
J Invest Dermatol. Jan 2015;135(1):24-30. doi:10.1038/jid.2014.320

CS-COUSIN position paper

Controversy and debate on core outcome sets. Paper 6: improving the generalizability, credibility, and implementation of the core outcome sets-The example of the Cochrane Skin-Core Outcome Set Initiative.
Schmitt J, Kottner J, Lange T.
Journal of clinical epidemiology. May 13 2020;125, 229-231. doi:10.1016/j.jclinepi.2020.05.016

Navigating the landscape of core outcome set development in dermatology.
Prinsen CA, Spuls PI, Kottner J, Thomas K, Apfelbacher C, Chalmers J, Deckert S, Furue M, Gerbens L, Kirkham J, Simpson E, Alam M, Balzer K, Beeckman D, Eleftheriadou V, Ezzedine K, Horbach SE, Ingram JR, Layton A, Weller K, Wild T, Wolkerstorfer A, Williams H, Schmitt J.
J Am Acad Dermatol. Mar 13 2019;81(1), 297-305. doi:10.1016/j.jaad.2019.03.009

CS-COUSIN methods group paper

Outcome assessment in dermatology clinical trials and cochrane reviews: call for a dermatology-specific outcome taxonomy.
Lange T, Kottner J, Weberschock T, Hahnel E, Apfelbacher C, Brandstetter S, Dreher A, Datzmann T, Burden-Teh E, Rogers N, Spuls P, Grainge M, Jacobi L, Williams H,  Schmitt J.
J Eur Acad Dermatol Venereol.  Aug 11 2020;35(2), 523-535. doi:10.1111/jdv.16854

Cochrane reviews and dermatological trials outcome concordance; why Core Outcome Sets could make trial results more usable.
Schmitt, J, Lange, T, Kottner, J, Prinsen, CAC, Weberschock, T, Hahnel, E, Apfelbacher, C, Brandstetter, S, Dreher, A, Stevens, G, Burden-Teh, E, Rogers, N, Spuls, P, Grainge, MJ, Williams, HC & Jacobi, L
J Invest Dermatol. May 2019;139(5):1045-1053. doi:10.1016/j.jid.2018.11.019

Useful links

A document about issues to consider when preparing and conducting online consensus meetings has been published by the COMET initiative:

Red Hat Group

CS-COUSIN is part of the Red Hat group. The aim of this group is to disseminate and to promote the uptake of COS in comparative effectiveness research.

CS Annual Meeting 2021

CS Annual Meeting 2021 Kottner