aDepartment of Emergency Medicine

bDepartment of Emergency Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan

Received 25 July 2022 Accepted 27 July 2022

Correspondence to Wan-Ching Lien, MD, PhD, Department of Emergency Medicine, National Taiwan University Hospital and College of Medicine, National Taiwan University, No.7, Chung-Shan South Road, Taipei 100, Taiwan, Tel: +886 2 2312 3456 62831; fax: +886 2 2322 3150; e-mail: [email protected]