1. Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
2. Palliative Care Centre and Department of Geriatrics, Tampere University Hospital, Tampere, Finland.
3. Department of Respiratory Medicine, Tampere University Hospital, Tampere, Finland.
4. Palliative Care Centre and Department of Oncology, Tampere University Hospital, Tampere, Finland.
5. Allergy Centre, Tampere University Hospital, Tampere, Finland.