But that move may not be enough, because the publisher Hindawi discovered this past springtime. Although Hindawi doesn’t allow authors recommend reviewers because of their manuscripts, it made a decision to examine the peer-review information for manuscripts submitted in 2013 and 2014 for possible fraud. The peer-review procedure found in Hindawi’s journals depends mainly on the expertise of its editorial board members and the guest editors of special issues, who are in charge of supervising the review of submitted manuscripts.5 Since the peer reviewers chosen by the guest editors weren’t subject to any sort of independent verification, editors themselves could undermine the process in quite similar way that authors or third-party agencies did elsewhere: by creating fake reviewer identities and addresses that they submitted positive reviews endorsing publication.Sleep duration was assessed by the question, On average, how many hours of sleep do you enter a 24-hour period? Participants reported 2,146 cases of cardiovascular disease, which was thought as a physician diagnosis of angina, cardiovascular system disease, heart attack or stroke. Related StoriesNew Cleveland Clinic research shows bariatric medical procedures is safe choice for managing type 2 diabetes in obese or mildly obese patientsStudy explores diabetes screening for individuals with serious mental illnessInnovative high school health program helps students maintain healthier weights, relieve depressionAn elevated but much less dramatic risk of cardiovascular disease also was discovered with reported daily rest durations of six hours and eight hours .