[1] Maastricht Univ, Med Ctr, Dept Internal Med, Div Endocrinol, Debeyelaan 25,POB 5800, NL-6229 HX Maastricht, Netherlands
[2] Univ Copenhagen, Res Unit Gen Practice, Copenhagen, Denmark
[3] Univ Copenhagen, Sect Gen Practice, Dept Publ Hlth, Copenhagen, Denmark
[4] Univ Malmo, Dept Endocrinol, Malmo, Sweden
[5] IDF Consultat Sect, Heemstede, Netherlands
[6] Int Working Grp Diabet Foot, Heemstede, Netherlands
[7] Kings Coll Hosp London, Dept Diabet, London, England
[8] Bispebjerg Hosp, Copenhagen Wound Healing Ctr, Copenhagen, Denmark
[9] Inst Clin & Expt Med, Ctr Diabet, Prague, Czech Republic
[10] Tameside Gen Hosp, Ctr Diabet, Ashton Under Lyne, England
[11] Autonomous Univ Barcelona, Hosp St Pau, Dept Endocrinol & Nutr, Barcelona, Spain
[12] Azienda Osped Univ Pisana, Dipartimento Area Med, Sez Dipartimentale Piede Diabet, Pisa, Italy
[13] Mariannen Hosp, Innere Abt, Werl, Germany
[14] Mathias Spital, Dept Diabet, Rheine, Germany
[15] Policlin Tor Vergata, Dept Internal Med, Rome, Italy
[16] Univ Med Ctr, Dept Endocrinol, Ljubljana, Slovenia
[17] H Familie Ziekenhuis, Rumst, Belgium
[18] Ctr Sante Fagnes, Dept Endocrinol, Rumst, Belgium
[19] H Familie Ziekenhuis, Chimay, Belgium
[20] Ctr Sante Fagnes, Dept Endocrinol, Chimay, Belgium
[21] Twenteborg Ziekenhuis, Dept Surg, Almelo, Netherlands