Consent of Battelle & Battelle LLP

EX-23.1 10 dex231.htm CONSENT OF BATTELLE & BATTELLE LLP Consent of Battelle & Battelle LLP

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED

PUBLIC ACCOUNTING FIRM

As independent auditors, we hereby consent to the incorporation of our reports dated March 17, 2008 included in this Form 10-K into Registration Statement No. 333-130294 on Form S-3 and Registration Statements Nos. 333-33270 and 333-143527 on Forms S-8.

/s/ Battelle & Battelle LLP

Dayton, Ohio

March 17, 2008