The Comorbidity4j tool and the Comorbidity4web Service are both developed and maintained by the:

Integrative Biomedical Informatics Group

part of the Research Programme on Biomedical Informatics (GRIB), a joint research programme of the Hospital del Mar Medical Research Institute (IMIM) and the Department of Experimental and Health Sciences of the Universitat Pompeu Fabra in Barcelona.

If you need any support in using the tool or if you want to provide us with feedback and suggestions, please send an email to francesco<DOT>ronzano<AT>upf<DOT>edu.