Early Detection of Cancer/psychology; Health Promotion/methods; Mass Screening/psychology; Breast Neoplasms/diagnosis; Breast Neoplasms/epidemiology; Breast Neoplasms/prevention & control; Colonoscopy/economics; Colonoscopy/ethics; Colonoscopy/psychology; Colonoscopy/statistics & numerical data; Colorectal Neoplasms/diagnosis; Colorectal Neoplasms/epidemiology; Colorectal Neoplasms/prevention & control; Community Participation; Confidentiality; Cost-Benefit Analysis; Early Detection of Cancer/economics; Early Detection of Cancer/ethics; Early Detection of Cancer/methods; Early Detection of Cancer/statistics & numerical data; Europe/epidemiology; Female; Health Promotion/economics; Health Promotion/ethics; Health Promotion/legislation & jurisprudence; Health Promotion/organization & administration; Humans; Italy/epidemiology; Male; Mammography/economics; Mammography/ethics; Mammography/psychology; Mammography/statistics & numerical data; Mass Screening/economics; Mass Screening/ethics; Mass Screening/legislation & jurisprudence; Mass Screening/methods; Mass Screening/organization & administration; Mass Screening/statistics & numerical data; Occult Blood; Patient Acceptance of Health Care; Persuasive Communication; Truth Disclosure; Uterine Cervical Neoplasms/diagnosis; Uterine Cervical Neoplasms/epidemiology; Uterine Cervical Neoplasms/prevention & control; Vaginal Smears/economics; Vaginal Smears/ethics; Vaginal Smears/psychology; Vaginal Smears/statistics & numerical data