--- trunk/src/constraints/ZconstraintForceManager.cpp	2012/09/10 18:38:44	1796
+++ trunk/src/constraints/ZconstraintForceManager.cpp	2013/10/31 15:32:17	1938
@@ -35,20 +35,20 @@
  *                                                                      
  * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).             
  * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).          
- * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).          
+ * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008).          
  * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
  * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
  */
  
+#ifdef IS_MPI
+#include <mpi.h>
+#endif
 #include <cmath>
 #include "constraints/ZconstraintForceManager.hpp"
 #include "integrators/Integrator.hpp"
 #include "utils/simError.h"
 #include "utils/PhysicalConstants.hpp"
 #include "utils/StringUtils.hpp"
-#ifdef IS_MPI
-#include <mpi.h>
-#endif
 
 namespace OpenMD {
   ZconstraintForceManager::ZconstraintForceManager(SimInfo* info): ForceManager(info), infiniteTime(1e31) {