Is the motivation to quit smoking greater if the smoker is going to quit smoking of their own free will or when advised by a health professional?

Affiliations

• ¹ Respiratory Department, Hospital Universitario 12 de Octubre, Complutense University of Madrid, Madrid, Spain.
• ² Respiratory Department, General University Hospital of Alicante, Alicante, Spain.
• ³ Respiratory Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
• ⁴ Respiratory Department, Hospital Regional Universitario Carlos Haya de Málaga, Málaga, Spain.
• ⁵ Respiratory Department, Hospital Universitario San Agustín, Avilés, Spain.
• ⁶ Respiratory Department, Hospital Universitario de Burgos, Burgos, Spain.
• ⁷ Respiratory Department, Sanatorio Nuestra Señora del Rosario, Rosario, República Argentina.
• ⁸ Neumóloga, Centro Médico Humana, Córdoba, República Argentina.
• ⁹ Unidad Especializada de Tabaquismo de la Comunidad de Madrid, Hospital Clínico San Carlos, Madrid, Spain.