Received: 6 July 2020
Accepted: 12 July 2020
First Online: 28 July 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee at Curry Cabral Hospital, Central Lisbon University Hospital Center, Lisbon, Portugal. Informed consent was waived due to the use of anonymized data and the current public health state of emergency.
: Not applicable.
: The authors declare that they have no competing interests.