When necessary, authors were contacted directly for clarification of published data.
When possible, followup clinic notes and x-rays from referring physicians were obtained and patients were contacted directly to assess the long-term outcome.
Official representatives of the countries with missing data were contacted directly, and several responses with additional data were incorporated to the database.
Those eligible for the sales which include tickets for the men's 100m final were contacted directly by the company Locog via email.
Response rates of the two VET colleges whose teachers were contacted directly (by email) showed to be considerably lower (30percentt, respectively 50, percent), than those of the VET colleges whose teams were asked through their team leaders (all above 70%).
Neurologists near regional U.S. pork-processing abattoirs were contacted directly.
Investigators were contacted directly if any information was unclear or not specified in the published articles.
If necessary, authors were contacted directly.
Controls were contacted directly with the questionnaire.
No patients were contacted directly or indirectly.
These people were contacted directly using email.
