diff --git a/code/io/dicom/rttbDicomFileReaderHelper.h b/code/io/dicom/rttbDicomFileReaderHelper.h
index ff95273..4b69cc4 100644
--- a/code/io/dicom/rttbDicomFileReaderHelper.h
+++ b/code/io/dicom/rttbDicomFileReaderHelper.h
@@ -1,87 +1,88 @@
 // -----------------------------------------------------------------------
 // RTToolbox - DKFZ radiotherapy quantitative evaluation library
 //
 // Copyright (c) German Cancer Research Center (DKFZ),
 // Software development for Integrated Diagnostics and Therapy (SIDT).
 // ALL RIGHTS RESERVED.
 // See rttbCopyright.txt or
 // http://www.dkfz.de/en/sidt/projects/rttb/copyright.html
 //
 // This software is distributed WITHOUT ANY WARRANTY; without even
 // the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 // PURPOSE.  See the above copyright notices for more information.
 //
 //------------------------------------------------------------------------
 /*!
 // @file
 // @version $Revision$ (last changed revision)
 // @date    $Date$ (last change date)
 // @author  $Author$ (last changed by)
 */
 #ifndef __DICOM_FILE_READER_HELPER_H
 #define __DICOM_FILE_READER_HELPER_H
 
 #include <vector>
 
 #include "osconfig.h"    /* make sure OS specific configuration is included first */
 #include "drtdose.h"
 
 #include "rttbBaseType.h"
+#include "boost/shared_ptr.hpp"
 
 
 namespace rttb
 {
 	namespace io
 	{
 		namespace dicom
 		{
 			struct Modality
 			{
 				enum Type
 				{
 					RTDOSE = 1,
 					RTSTRUCT = 2,
 					RTPLAN = 3,
 					UserDefined = 128
 				} Type;
 			};
 
 			typedef boost::shared_ptr<DRTDoseIOD> DRTDoseIODPtr;
 			typedef boost::shared_ptr<DcmItem> DcmDataSetPtr;
 
 
 			/*! Return the vector of all files with the same UID in the given directory, the UID is defined by the first file with the modality.
 			@exception InvalidParameterException thrown if the file/directory does not exist or the modality is invalid
 			@exception DcmrtException thrown if load/read file failed
 			*/
 			std::vector<FileNameType> getFileNamesWithSameUID(FileNameType aDirName, Modality aModality);
 
 			/*! Return the vector of all files with the same UID in the directory of the given file
 			@exception InvalidParameterException thrown if the file does not exist
 			@exception DcmrtException thrown if load/read file failed
 			*/
 			std::vector<FileNameType> getFileNames(FileNameType aFileName);
 
 			/*! Return if the given name is a file
 			*/
 			bool isFile(FileNameType aName);
 
 			/*! Return if the given name is a directory
 			*/
 			bool isDirectory(FileNameType aName);
 
 			/*! Return modality DcmTagKey(0x0008, 0x0060)
 			@exception DcmrtException thrown if reading modality failed*/
 			OFString getModality(DcmDataSetPtr aDcmDataSet);
 
 			/*! Return uid DcmTagKey(0x0020, 0x000e)
 			@exception DcmrtException thrown if reading uid failed*/
 			OFString getUID(DcmDataSetPtr aDcmDataSet);
 
 
 		};
 	}
 }
 
 
 #endif