Cancer Pain

• Advanced Pharma CR — Miami, Florida, United States
• Louisiana Research Associates — New Orleans, Louisiana, United States
• University of Michigan Medical Center — Ann Arbor, Michigan, United States
• Center for Clinical Research — Winston-Salem, North Carolina, United States

Not specified

• Cheonan, South Korea
• Cheongju-si, South Korea
• Daejeon, South Korea
• Hwasun Gun, South Korea

Not specified

• Vanderbilt-Ingam Cancer Center — Nashville, Tennessee, United States

• Beth Israel Medical Center — New York, United States

• Virginia Commonwealth University — Richmond, Virginia, United States

• Rigshospitalet — Copenhagen, København Ø., Denmark