Dietary Modification

• University of Wisconsin Osteoporosis Clinical Research Program Clinic — Madison, Wisconsin, United States

• Centre D'Alt Rendinemt, Sant Cugat — Barcelona, Spain

Not specified

Not specified

• University of Oslo — Oslo, Norway

• Universitäts-Kinderspital beider Basel (UKBB) — Basel, Switzerland
• Hôpital des enfants — Geneva, Switzerland
• CHUV Unité de Gastroentérologie Pédiatrique DMCP-BH11 — Lausanne, Switzerland
• Pädiatrische Gastroenterologie und Hepatologie Kinderspital — Lucerne, Switzerland

• PreCare Trial & Recruitment — Beek, Limburg, Netherlands

• Outpatient Infectoparasitary Diseases, Hospital das Clinicas, Federal University of Goiás — Goiânia, Goiás, Brazil

• Stanley Dudrick's Memorial Hospital — Skawina, Malopolska, Poland

• E-Da Hospital — Kaohsiung, Taiwan
• National Taiwan University Hospital Bei-Hu Branch — Taipei, Taiwan
• National Taiwan University Hospital — Taipei, Taiwan
• Taipei Medical University Hospital — Taipei, Taiwan