Establishing the thematic framework for a diabetes-specific health-related quality of life item bank for use in an english-speaking asian population. oleh Odelia Koh, Jeannette Lee, Maudrene L S Tan, E-Shyong Tai, Ce Jin Foo, Kok Joon Chong, Su-Yen Goh, Yong Mong Bee, Julian Thumboo, Yin-Bun Cheung, Avjeet Singh, Hwee-Lin Wee