Two further contact lens care solutions, Blue Vision and Optifree Replenish, met the criteria of a reduction factor of > 3 log units for bacteria and > 1 log unit for fungi, but only in the presence of artificial tear fluid.
The promoters were asked to make three further contacts with participants in person, by email or telephone, to suit the needs of the workplace and employees.
with the first try, interviewers were required to make three further contact attempts before the household could be replaced.
Over the course of 6-8-months, the physical activity facilitator offered up to eight further telephone contacts and one more face to face half hour meeting.
Two further van der Waals contacts involve the side chain of Glu−3 and Asp−0 with Phe (Ile in Tah1) and Thr (Val in Tah1) respectively.
Non-respondents at the first attempt were contacted two further times.
Sometimes there is conflicting information reported in the two sources and further contact with the trial investigators may still be required.
Six twins refused from any further contacts, and finally 61 twins were sent the Morningness-Eveningness Questionnaire (MEQ) in January 2002.
If an eligible individual was not present at the house at the time of visiting two further attempts were made to contact them.
Since recruitment through this channel was difficult, participating parents were asked to provide further contacts, and finally two anti-vaccination organizations were contacted and asked for collaboration.
