how do I get the articles on my Blogger blogs fed automatically into my Google+ profile?

networkedblogs.com does this job for feeding my articles into my Facebook and my Twitter feed / stream.

I prefer my Blogger blogs as my primary "article lists" (or "bookmark lists") because of various reasons, e.g.

• the flexible way of adding / removing / changing labels / categories,
• the staged way of publishing articles (I can leave them in the Draft state for a while, until I am satisfied with them resp. their categories),
• …