- Correspondence to Dr Ming-Ju Hsieh, Department of Emergency Medicine, National Taiwan University Hospital, Taipei 100, Taiwan; and Prof. Yu-Ching Lee, Departmentof Industrial Engineering and Engineering Management, National Tsing Hua University, Hsinchu 300, Taiwan ;
- Received February 22, 2019
- Revised May 21, 2019
- Accepted May 22, 2019
- First published June 13, 2019.
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