[1] Univ Padua, Dipartimento Salute Donna & Bambino, Cure Palliat Pediat, Terapia Dolore, Via Giustiniani 3, I-35128 Padua, Italy
[2] Univ Padua, Dipartimento Salute Donna & Bambino, Dipartimento Pediat Urgenza, Padua, Italy
[3] Univ Udine, Dipartimento Med, Sez Pediat, Udine, Italy
[4] Cooperaz Odontoiatr Int COI NGO, Turin, Italy
[5] Polistudium SRL, Milan, Italy
[6] Univ Genoa, Dipartimento Sci Chirurg & Diagnost Integrata, Genoa, Italy