Authors’ contributions
CM, AVL, SVT
SVT
JPN, JN, HG, DCD and JPL wrote the manuscript. DCD, AE, AVL, HG are investigators of the Centre 1 (CHU/University Hospital Palliative care Unit), Nantes. AS, ETM, CM, and SVT are investigators of the Centre 2 (Clinique Bretéché, Nantes). All authors have read and approved the manuscript.