Received: 28 February 2020
Accepted: 1 June 2020
First Online: 20 June 2020
Ethics approval and consent to participate
: An informed written consent to participate in the study has been obtained from participants. The study cohort was approved by the Mamoudzou Hospital Ethical committee and the database was declared at the Commission Nationale Informatique et Libertés (CNIL N° 2004054–11/26/2016).
: Not applicable.
: The authors declare that they have no competing interests.