The structure of the study included a number of challenges for scheduling study visits.
Investigating patients' perceptions of being secluded or restrained [ 10, 14, 11], outcome studies [ 15], or evaluating the effectiveness of S/R includes a number of methodological and ethical challenges [ 16].
It was considered achievable but would take commitment and hard work to overcome the numerous challenges including a number of organisational constraints.
As Jeffrey Toobin recently wrote in our pages, the schedule is likely to include a number of highly anticipated cases, including a challenge to the constitutionality of President Obama's health-care law.
Faced with a number of challenges including an ageing population and diminishing resources, the health service is struggling to cope.
Commissioner Steiner faces a number of challenges, including the threat of another round of state budget cuts.
Fossett undertook a number of challenges, including swimming the English Channel (1985), before gaining international attention with his ballooning feats.
The carbon-offsetting process faces a number of challenges, including the quantification of carbon benefits and verification that a party's greenhouse gas reduction is indeed occurring.
As she took office on February 25 , 2013 South Korea faced a number of challenges, including high household debt and the ongoing tensions with an often belligerent North Korea.
Ban faced a number of challenges, including the North Korean and Iranian nuclear threats, troubles in the Middle East, and the humanitarian crisis in the Darfur region of Sudan.
