en**\                                                  Belgium               NS                 Elderly                                STOPP 0000 \[[@pone.0000000.ref000]\]                                                                       NS consensus                      P                             PIP                                                   00                     00   0000 \[[@pone.0000000.ref000]\]                                                                                                                                                                                                                                                                                                                                                                                   **Van 