[1] Univ Amsterdam, Acad Med Ctr, Dept Rehabil, NL-1100 DE Amsterdam, Netherlands
[2] Univ Med Ctr Utrecht, Dept Internal Med, Utrecht, Netherlands
[3] Cardiff Univ, Sch Healthcare Studies, Dept Physiotherapy, Res Ctr Clin Kinaesiol, Cardiff, S Glam, Wales
[4] Rosalind Franklin Univ Med & Sci, Dr William M Scholl Coll Podiat Med, N Chicago, IL USA
[5] Abbiategrasso Hosp, Ctr Study & Treatment Diabet Foot Pathol, Milan, Italy
[6] Univ Vita Salute San Raffaele, Milan, Italy
[7] Tomas Bata Univ, Fac Technol, Zlin, Czech Republic
[8] IWGDF, Heemstede, Netherlands
[9] Cleveland Clin, Dept Biomed Engn, Lerner Res Inst, Cleveland, OH 44106 USA