Prospective study of development and validation of a questionnaire on quality of life in patients with Hereditary Amyloidosis The questionnaire development process will include 4 medical specialists experts in Transthyretin Amyloidosis (2 neurologists, 1 cardiologist, 1 physician clinical/hepathologist), 1 psychologist; 1 social worker; and 3 patients (with confirmed Hereditary amyloidosis) members of ALAPA. (Local PAG) Population and sample:
Buenos Aires, Buenos Aires, Argentina