[Na, Ou; Hu, Jimei; Hu, Minmin] Univ South China, Affiliated Nanhua Hosp, Dept Oncol, Hengyang, Hunan, Peoples R China.
[Na, Ou] St Paul Univ Manila, Coll Nursing & Allied Hlth Sci, Malate Manila, Philippines.
[Qi, Sanyang] Fourth Peoples Hosp Shenzhen, Dept Psychol, Shenzhen, Guangdong, Peoples R China.
[Li, Pengxin] Univ South China, Coll Nursing, Hengyang, Hunan, Peoples R China.