- Correspondence to Dr Jeng-Shing Wang, Antai Medical Care Cooperation Antai Tian-Sheng Memorial Hospital, Department of Thoracic Medicine, Pingtung, & Department of Senior Citizen Service Management, Yuh-Ing Junior College, Kaohsiung, Pingtung 928, Taiwan;
- Published in print 1 January 2013.
- Published online 10 December 2012.
- Published first 18 May 2012.
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