Pascale HOMEYER, Private doctor specialising in neurology, former senior registrar, assistant at La Salpêtrière Hospital, Paris – hospital practitioner at Aubenas and Valence Hospital Centre.

Félix DARVE, Professor Emeritus at Grenoble Institut Polytechnique, 3SR (Laboratoire Sols Solides Structures Risques), UGA (Université Grenoble Alpes)

Denis BAIZE, Pedologist. Research Director at INRA, SESCPF (Service d’Étude des Sols et de la Carte Pédologique de France) then Soils Research Unit, Orléans, retired.

Slim KADDECHE, Professor at the National Institute of Applied Sciences and Technology, MMA (Materials, Measurements and Applications Research Laboratory), University of Carthage, Tunisia.

Zengyong CHU, Professor at the National University of Defense Technology. Changsha, Hunan, China

Tingju LI, Professor, School of Materials Science and Engineering, Dalian University of Technology, China