autoimmune neutropenia

Hi, I need a professional help. I am writing a health article about autoimmune neutropenia. I have found out some things about it but I need more information. What is it caused by? Also I want to know does it have some relations with acquired neutropenia. Thank you at advance for any help you can provide.

I am a doctor and I now something about this subject. Autoimmune neutropenias caused circulating antineutrophil antibodies are another form of acquired neutropenia that results in increased destruction of neutrophils. Acquired neutropenia also may be seen with viral infections, including infection with HIV. It can be cyclic in nature, occurring at intervals of several weeks.