Table 1 Characteristics of experts

Professional role*

Clinicians^ 15 (3)

• Oncologists 3 (1)

• Surgeons 4 (0)

• Breast physicians 1 (2)

• Radiologists 2 (0)

• Radiation oncologists 2 (0)

• Pathologists 3 (0)

• Others [not otherwise specified; NOS)] 0 (1)

Non-clinical researchers 14 (3)

• Epidemiologists/biostatisticians 9 (1)

• Others [NOS] 5 (1)

Administrators/managers 6 (2)

Advocacy leaders 6 (7)

• Consumers working in advocacy 3 (6)

• Clinicians/researchers working in advocacy 3 (1)

Public stance on breast screening+

Supportive 16 (9)

Mostly supportive^# 3 (1)

Critical 6 (0)

Unknown to researchers 8 (3)