1. Questions? Contact Kantar Media Healthcare Research (609) 987-5579 Website Usage & Qualitative Evaluations: 2015 Radiology Edition Study Facts

2. 2015 Radiology Website Usage - D ata Collection Data Collection The data in this report are comprised of two data collection periods. The most recent six month cycle of Radiology Website Usage data were gathered via online survey between March 2015 and April 2015. A portion of the sample received an invitation to an online survey in early March and a reminder one week later, while other portions of the sample received an initial email invitation in early April (with corresponding reminder emails one week later).

3. 2015 Radiology Website Usage - Specialties and Universes Radiation Oncologists Radiologists

4. 2015 Radiology Website Usage The online survey invitation lists used for the Website Usage & Qualitative Evaluations: 2015 Radiology Edition included only radiologists and radiation oncologists in patient care. Radiology professionals of all ages are eligible for inclusion in the sample, but first-year residents, physicians in federal government or military service, and physicians in the US Territories are excluded. For the 2015 survey, the universe counts and nth-name selections were conducted internally by Kantar Media. The mailing house that provided the AMA database was Direct Medical Data, in Des Plaines, Illinois. Online respondents were invited to the survey via the All Global and WorldOne physician panels.

5. 2015 Radiology Website Usage Grid * If a website scored below 10% in visitation for all specialties, that website was not reported on any tables other than the initial visitation table.

6. 2015 Radiology Website Usage Grid * If a website scored below 10% in visitation for all specialties, that website was not reported on any tables other than the initial visitation table.