The final survey was piloted in the UK by telephone and in China using door-to-door interviewing.
Confidential self-report questionnaires using internationally utilised measures were completed by children aged 10-17 (n = 3515, 56.7% female) using door-to-door sampling in randomly selected areas in rural and urban locations of South Africa.
Using doors was also noted as difficult because it involved manipulating the wheelchair and the door simultaneously and can be compounded by mechanical closers.
In brief, 765 persons were enrolled using door-to-door population based recruitment.
A final phase of vaccination occurred by using a door-to-door approach.
Security experts also say that the system on U.S. domestic flights could be improved by using metal doors on cockpits and by beefing up the training of gate security workers.
An international book club operated by Bertelsmann that uses door-to-door salesman to deliver catalogs and books to members' homes has decided to sell its American branch.
An energy auditor can also determine how "leaky" a house is by using a "blower door".
Feasibility of the optical method is verified by using a refrigerator door shell.
In this way, he and the villagers have only one way to reach you by using the house door.
