Received: 19 July 2019
Accepted: 26 November 2019
First Online: 12 December 2019
Ethics approval and consent to participate
: Patients provided written informed consent before enrollment. The protocol was approved by the French national ethics committee (CCPPRB Angers ; N°2006/11) on 31 August 2006, and the study was conducted according to the Declaration of Helsinki and European Good Clinical Practice requirements.
: Not Applicable
: The authors declare that they have no competing interests