Authors’ Contributions

GO participated in the conception and the design of the study, checked the collected data, analyzed and interpreted the data, and drafted the article; AM collected and assembled the data; PJS participated in the conception and the design of the study and made a critical revision of the article; UG participated in the conception and the design of the study and collection and interpretation of data, and continuously revised the article during drafting. All authors approved the final article.

Abbreviations

CASA - National Center on Addiction and Substance Abuse

FDA - Food and Drug Administration

GAO - Government Accountability Office

HINTS - Health Information National Trends Survey

HON - Health on the Net Foundation

JCAHCO - Joint Commission on Accreditation of Healthcare Organizations

MTF - Monitoring The Future

NABP - National Association of Boards of Pharmacy

NSDUG - National Survey of Drug Use and Health

PDE5Is -phosphodiesterase type 5 inhibitors

RADARS System - Researched Abuse Diversion and Addiction-Related Surveillance System

VIPPS - Verified Internet Pharmacy Practice Sites

WHO - World Health Organization

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