This is not an official WFH translation. This resource has been translated with permission by a WFH National Member Organization (NMO), and is shared here with their kind permission. Translating organizations are encouraged to have translations reviewed by local experts, the WFH is not responsible for the translation or for any errors or changes to content from the original English edition. Patient organizations interested in translating a WFH resource must first obtain permission from the WFH, available here.