Withholding and withdrawing life-support in adults in emergency care: joint position paper from the French Intensive Care Society and French Society of Emergency Medicine oleh Jean Reignier, Anne-Laure Feral-Pierssens, Thierry Boulain, Françoise Carpentier, Pierrick Le Borgne, Denis Del Nista, Gilles Potel, Sandrine Dray, Delphine Hugenschmitt, Alexandra Laurent, Agnès Ricard-Hibon, Thierry Vanderlinden, Tahar Chouihed, For the French Society of Emergency Medicine (Société Française de Médecine d’Urgence, SFMU) and French Intensive Care Society (Société de Réanimation de Langue Française, SRLF)