Study design
This multicenter, randomized, double-blind, clinical study was
conducted at the Department of Internal Medicine and Therapeutics,
University of Pavia, Pavia, Italy. The study protocol was
approved by institutional review board and was conducted in
accordance with the Declaration of Helsinki and its amendments.
Suitable subjects, identified from review of case notes and/or
computerized clinic registers were contacted personally or by
telephone. All eligible candidates had to provide signed informed
consent before enrolling in the study
Study designThis multicenter, randomized, double-blind, clinical study wasconducted at the Department of Internal Medicine and Therapeutics,University of Pavia, Pavia, Italy. The study protocol wasapproved by institutional review board and was conducted inaccordance with the Declaration of Helsinki and its amendments.Suitable subjects, identified from review of case notes and/orcomputerized clinic registers were contacted personally or bytelephone. All eligible candidates had to provide signed informedconsent before enrolling in the study
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