[1] Balgrist Univ Hosp, Unit Appl & Clin Res, Infectiol, CH-8008 Zurich, Switzerland
[2] Bellvitge Univ Hosp, Infect Dis Dept, Barcelona 08907, Spain
[3] Bellvitge Univ Hosp, Orthoped Dept, Foot & Ankle Unit, Barcelona 08907, Spain
[4] Bellvitge Univ Hosp, Diabet Foot Unit, Barcelona 08907, Spain
[5] Univ Zurich, Balgrist Univ Hosp, EBPI UZWH Musculoskeletal Epidemiol Res Grp, CH-8008 Zurich, Switzerland
[6] Univ Zurich, Univ Spine Ctr Zurich UWZH, Balgrist Univ Hosp, CH-8008 Zurich, Switzerland