Constipation

• NanMoFang Community Health Service Center — ChaoYang District, Beijing Municipality, China
• JuQuan Community Health Service Center — Gucun, Baoshan District,, Shanghai Municipality, China

• Sanofi-Aventis Administrative Office — São Paulo, Brazil

• NanMoFang Community Health Service Center — ChaoYang District, Beijing Municipality, China
• Shanghai Municipal Food and Drug Administration Baoshan Office — Baoshan District, Shanghai Municipality, China

• Advanced Clinical Research Institute — Anaheim, California, United States
• Jupiter Research — Jupiter, Florida, United States
• United Medical Research — New Smyrna Beach, Florida, United States
• Long Island GI Research Group — Great Neck, New York, United States

• Southern Medical University - Nanfang Hospital — Guangzhou, Guangdong, China
• The First Affiliated Hospital, Sun Yat-sen University — Guangzhou, Guangdong, China
• The Second Affiliated Hospital, Sun Yat-sen University — Guangzhou, Guangdong, China
• Zhongnan Hospital of Wuhan University — Wuhan, Hubei, China

• Diane Cássia Fravetto — Guaporé, Rio Grande do Sul, Brazil

• Pierrel Research — Timișoara, Romania

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