Received: 20 October 2019
Accepted: 20 March 2020
First Online: 14 May 2020
Ethics approval and consent to participate
: The experimental protocol was established according to the ethical guidelines of the Helsinki Declaration and was approved by the Human Ethics Committee of the Institutional Review Board of Cathay General Hospital. Written informed consent was obtained from individual. For women under 18 years of age, we obtained the consent and contact details of participants’ guardian prior to enrolment of the participants.
: Not applicable.
: The authors declare that they have no competing interests.