A Study to Evaluate the Efficacy, Drug Levels and Safety of Luspatercept (ACE-536) for the Treatment of Anemia Due to IPSS-R Very Low, Low, or Intermediate Risk Myelodysplastic Syndromes in Chinese and Japanese Participants With Ring Sideroblasts Who Require Red Blood Cell Transfusions

Local Institution - 114, Shanghai

Local Institution - 100, Beijing

Local Institution - 101, Shanghai

Local Institution - 108, Nanjing

Local Institution - 104, Suzhu

Local Institution - 106, Tianjin

Local Institution - 102, Hangzhou

Local Institution - 111, Wenzhou

Local Institution - 112, Nanchang

Local Institution - 110, Wuhan

Local Institution - 105, Guangzhou

Local Institution - 103, Guangzhou

Local Institution - 109, Guangzhou

Local Institution - 107, Chengdu, Sichuan

Local Institution - 210, Sayama

Local Institution - 209, Matsuyama

Local Institution - 203, Nagasaki

Local Institution - 206, Kamogawa

Local Institution - 201, Mibu-Machi

Local Institution - 205, Osaka

Local Institution - 208, Ōgaki

Local Institution - 204, Sagamihara

Local Institution - 207, Sendai

Local Institution - 202, Shinagawa-ku, Tokyo