Table 1 Timeline in the Sialon II study by sampling method and city
Sampling method | City and Country | Starting month | Ending month |
|---|---|---|---|
Time-Location Sampling (TLS) | Brussels, Belgium | April 2013 | July 2013 |
Sofia, Bulgaria | July 2013 | September 2013 | |
Hamburg, Germany | April 2013 | August 2013 | |
Warsaw, Poland | May 2013 | September 2013 | |
Lisbon, Portugal | April 2013 | August 2013 | |
Ljubljana, Slovenia | May 2013 | October 2013 | |
Barcelona, Spain | May 2013 | June 2013 | |
Stockholm, Sweden | May 2013 | August 2013 | |
Brighton, UK | April 2013 | June 2013 | |
Respondent-Driven Sampling (RDS) | Verona, Italy | June 2013 | June 2014 |
Vilnius, Lithuania | June 2013 | August 2014 | |
Bratislava, Slovakia | June 2013 | August 2014 | |
Bucharest, Romania | February 2014 | November 2014 |