Minciullo A, Tartaglini D, Colombo B, Filomeno L, Di Muzio M. Assessing validity and reliability of a new tool: the ECSQ (Endoscopy Customer Satisfaction Questionnaire) in Italian for customer satisfaction in digestive endoscopy. Ann Ig. 2025;34(2):166-176. doi:10.7416/ai.2022.2476