[1] Black Forest Hosp, Dept Gen Surg, Villingen, Germany
[2] Univ Freiburg, D-7800 Freiburg, Germany
[3] Hamlet Hosp, Aarhus, Denmark
[4] Lund Univ, Dept Ophthalmol, Lund, Sweden
[5] Skane Univ Hosp, Lund, Sweden
[6] Royal Prince Alfred Hosp, Sydney, NSW, Australia
[7] Concord Hosp, Sydney, NSW, Australia
[8] Groote Schuur Hosp, Dept Plast & Reconstruct Surg, ZA-7925 Cape Town, South Africa
[9] Leiden Univ, Med Ctr, NL-2300 RA Leiden, Netherlands
[10] Kuopio Univ Hosp, Kuopio, Finland
[11] Dept Trauma & Visceral Surg, Luzern, Switzerland
[12] Inst Clin Citta Studi Milan, Ctr Treatment Diabet Foot Pathol, Milan, Italy
[13] Aesthet Plast Surg Inst, Louisville, KY USA
[14] Acad Hosp St Jan, Dept Plast & Reconstruct Surg, Brugge, Belgium
[15] E London NHS Fdn Trust, Community Hlth Newham Directorate, London, England
[16] Univ Massachusetts, Sch Med, Div Plast Surg, Worcester, MA 01605 USA
[17] Mem Hlth Care, Worcester, MA USA
[18] Hop Hotel Dieu, Plast Aesthet & Reconstruct Surg Burn Unit, Nantes, France
[19] Hosp Pedro Hispano, Matosinhos Porto, Portugal
[20] Hosp Univ Bellvitge, Endocrine Surg Unit, Barcelona, Spain
[21] John Paul 2 Hosp, Dept Cardiovasc Surg & Transplantol, Krakow, Poland
[22] Saitama Med Univ, Dept Plast & Reconstruct Surg, Saitama, Japan
[23] Univ Lund Hosp, Dept Cardiothorac Surg, Heart & Lung Div, Lund, Sweden
[24] Queen Elizabeth Hosp, Royal Ctr Def Med, Birmingham B15 2TH, W Midlands, England
[25] Univ Calif San Francisco, San Francisco, CA 94143 USA
[26] St Marys Hosp, San Francisco, CA USA
[27] Mayday Univ Hosp, London, England