Vagheggini, Guido, Chronic Respiratory Failure Care Pathway, Department of Medical Specialties, Azienda Usl Toscana Nordovest, Volterra, Italy. Vera, Yeni , Department of Physiotherapy, STIKes Siti Hajar, Medan, Indonesia. Vidya, Ananda Pipphali, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.