Botulinum Toxins, Type A

• Yongin Severance Hospital — Yongin-si, Gyeonggi-do, South Korea

• Swissmed Hospital — Gdansk, Gdańsk, Poland

• Norrlands universitetssjukhus — Umeå, Västerbotten County, Sweden

• Peking University School and Hospital of Stomatology — Beijing, Beijing Municipality, China

• Peking University School and Hospital of Stomatology — Beijing, Beijing Municipality, China

• Peking University School and Hospital of Stomatology — Beijing, Beijing Municipality, China

• Universidad Autonoma de Nuevo Leon — Monterrey, Nuevo León, Mexico

Not specified

• Electromyography Laboratory, Loma Linda University Medical Center — Loma Linda, California, United States
• Loma Linda University — Loma Linda, California, United States

• Cairo University Hospitals — Cairo, Egypt