[Ong, Marilyn Li Yin; Zhu, Zhenggang] Univ Sains Malaysia, Sch Hlth Sci, Exercise & Sports Sci Programme, Kubang Kerian, Kelantan, Malaysia.
[Pan, Xiaoyan] Hunan Univ Chinese Med, Sch Nursing, Changsha, Hunan, Peoples R China.
[Zhong, Faping] First Hosp Changde City Tradit Chinese Med, Dept Resp Med, Changde, Hunan, Peoples R China.
[Tian, Jun] Cent South Univ, Dept Geriatr Med, Xiangya Hosp, Changsha, Hunan, Peoples R China.
[Ong, Marilyn Li Yin] Loughborough Univ, Sch Sport Exercise & Hlth Sci, Loughborough, Leics, England.