It was his skill in casting the first production in 1952 - with Richard Attenborough as a financially participating lead - his insistence on redirecting and recasting every year, his shrewd choice of small theatres and his building of publicity on Christie's name, rather than on the performers, that led to the play's long survival.
Second, although the free cinema ticket and the relaxed athmosphere in which the students asked people to participate led to a surprisingly high response rate of 90%, some participation bias (involuntary selection of participants by the students) cannot be excluded.
Reduced mental capacity, lack of available choices or not being given the opportunity to participate led to non-involvement.
Pretesting of the questionnaire on a random sample (n = 90 of which 45 participated) led to minor reformulations of some questions to ensure comprehensibility and manageability.
Each participating biologist leads an interdisciplinary team to leverage mathematical and computational skills against one of their own research questions.
At launch, availability is limited to a small number of participating publishers, led by Image Comics, publisher of hits such as the Walking Dead.
RCC recruited the participating studies, led the protocol design discussions, and drafted the protocol.
Similarly, sharing of data regarding differences in outcomes of trauma care between the participating centers, led the management of one of the poorly performing hospitals to make efforts to improve their system of care.
The county office actively participates and leads several UN joint technical working groups under the UNDAF Outcome Areas, and is the lead convener for the impact mitigation component of the UN Joint HIV Plan.
Norman Foster of Britain, who will participate solo, leads the opposite end of the age spectrum.
