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The study was approved by the institutional review board of each study center.
The institutional review board of each study site approved the protocol.
The study protocol was approved by the institutional review board of each study site or by a centralized institutional review board.
Study protocol was approved by the Ethic Board of each study hospital (S. Maria degli Angeli hospital, register trial number 8/2004; and CRO Aviano National Cancer Institute, protocol number 590/D).
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The Independent Ethics Committee/Independent Review Board of each participating site approved the study.
The study protocol and procedures were approved by local Institutional Review Boards of each study center.
All study participants signed an informed consent, according to the recommendations of the Internal Review Boards of each study hospital.
Ethical approval was obtained from the institutional review boards of each study centre and by the Brazilian National Commission for Ethics in Research CONEPP).
The full list of local review boards from each study country is available in Additional file 3. Four NCD risk factors were considered: current daily smoking, low fruit and vegetable consumption, physical inactivity, and heavy episodic alcohol drinking.
The study protocols were reviewed and approved by the Institutional Review Boards of each clinical study site.
Written informed consent and assent were obtained according to the guidelines established by the local institutional review board at the beginning of each study visit.
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