1 Division of Urology, Show Chwan Memorial Hospital, Changhua 500, Taiwan.
2 Department of Emergency Medicine, Kaohsiung Municipal Min-Sheng Hospital, Kaohsiung 802, Taiwan.
3 Department of Emergency Medicine, Kaohsiung Municipal United Hospital, Kaohsiung 804, Taiwan.
4 Department of Emergency Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan.
5 Department of Emergency Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei 231, Taiwan.
6 Department of Allergy and Immunology, China Medical University Children's Hospital, Taichung 404, Taiwan; Research Center for Allergy, Immunology, and Microbiome (A.I.M.), China Medical University Hospital, Taichung 404, Taiwan.
7 Department of Obstetrics and Gynaecology, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan; Institute of Biopharmaceutical Sciences, National Sun Yat-sen University, Kaohsiung 804, Taiwan. Electronic address: cjli@vghks.gov.tw.