Are You Estranged From Your Sister?

June 3, 2009 -- **Please note: If you responded in the last two days, please re-send your e-mail. We were experiencing technical problems which have now been fixed.**

Are you estranged from your sister?

"20/20" is looking for sisters who haven't communicated in more than a year and who would like to reconnect.

In an upcoming story, we'll talk to estranged sisters and a communications expert who has been studying sisters and their relationships.

If you'd like to participate, please fill out the form below, and a producer may contact you.