She had written an account of the onset of her illness in The New Yorker back in 2003. [1] Full text. [2]
I had never heard of her before but found it one of the stranger, more haunting pieces I'd read. If you enjoy OPs piece you may also like this other one written by Hillenbrand herself.
Its worth reading. It talks about her writing style and history given her chronic fatigue. It also does a nice job of bringing in other voices to give short passages about aspects of her writing process and how she influenced others. It is more bittersweet than a "success" story and is written by a book author.
I had never heard of her before but found it one of the stranger, more haunting pieces I'd read. If you enjoy OPs piece you may also like this other one written by Hillenbrand herself.
[1] http://www.newyorker.com/magazine/2003/07/07/a-sudden-illnes...
[2] http://cfsresearchcenter.org/index.php?option=com_k2&view=it...