AIMS To assess the associations between types of cannabis control policies at country level and prevalence of adolescent cannabis use. SETTING, PARTICIPANTS AND DESIGN Multilevel logistic regressions were performed on 172,894 adolescents 15 year of age who participated in the 2001/2002, 2005/2006, or 2009/2010 cross-sectional Health Behaviour in School-Aged Children (HBSC) survey in 38 Europe...

BACKGROUND Patellar tendinopathy (PT) is one of the most common reasons for sport-induced pain of the knee. Low ankle dorsiflexion range might predispose for PT because of load-bearing compensation in the patellar tendon. PURPOSE The purpose of this 1-year prospective study was to analyze if a low ankle dorsiflexion range increases the risk of developing PT for basketball players. STUDY DES...

A new method to measure nonlinear dependence between two variables is described using mutual information to analyze the separate linear and nonlinear components of dependence. This technique, which gives an exact value for the proportion of linear dependence, is then compared with another common test for linearity, the Brock, Dechert and Scheinkman (BDS) test. Copyright c © 0000 John Wiley & So...

This paper introduces a new type of intranet – the compliance intranet – and describes its socio-technical shaping. Compliance intranets serve to enforce industry standards, to measure the performance of a company against industry or governmentally established standards, or to establish standards within the organization or within a larger domain. These intranets may be quality management system...

In a survey we found that most developers have experienced duplicated bug reports, however, only few considered them as a serious problem. This contradicts popular wisdom that considers bug duplicates as a serious problem for open source projects. In the survey, developers also pointed out that the additional information provided by duplicates helps to resolve bugs quicker. In this paper, we th...

The growth of manufacturing was central to the economic development of nineteenth century America. In the early stages of industrialization, the commitment to produce was frequently seasonal or part-time, and establishments might shut down operations for weeks or months at a time. But, as transportation improved and markets widened in their geographic scope and, as technological and organizatio...