They tried calling me three times within a minute and each time they were blocked by my blocker. When I called back it appears that they have an automated voice response system in place that greets you with "This is Christine. Thanks for calling back."
Caller ID Name: Monrovia CA
Caller ID Location: MONROVIA, CA
received similar call 3/15/2017. requesting donations for women's breast cancer research. blocked number. i answered call because my sister has several different specialists and I thought it might be one of her specialists.