Database    :

http://www.coreynahman.com/diabetesDrugsDatabase.html
http://www.pjonline.com/links/diabetes/index.html
http://t1dbase.org/cgi-bin/dispatcher.cgi/Welcome/display
http://catalog.niddk.nih.gov/resources/
http://www.isness.org/simon/lite/dia/index.html
http://www.ddri.org/DDDhome.asp
http://www.coreynahman.com/diabetesDrugsDatabase.html
http://www.hmc.psu.edu/diabetes/PSDC_Volunteer/diabetes_database.htm
http://www.liacc.up.pt/ML/old/statlog/datasets/diabetes/diabetes.doc.html
https://www.dagc.org/ddri/dbapp/login.cfm

Institute:

http://www2.niddk.nih.gov/
http://www.diabetes.com.au/
http://www.diabetesinstitute.org/
http://diabetesinstitute.upmc.com/
http://www.dif.org/
http://www.behavioraldiabetes.org/
http://www.texasdiabetesinstitute.com/
http://www.healthinsite.gov.au/topics/Diabetes
http://www.einstein.edu/yourhealth/diabetes/article8344.html
http://idd-diabetes.com/

working-group:

http://www.islet.org/37.htm
http://www.niddk.nih.gov/federal/dwg/DRWGREP2.htm#The_Diabetes_Research_Working_Group
http://www.idf.org/home/index.cfm?node=1060
http://www.crag.scot.nhs.uk/topics/diabetes/fwork/sdfwg/members.htm