u_dataOutput      493 old_code/tumor_growth/tumor_code.h     u_dataOutput(grid, u_ioTuple, 
u_dataOutput      529 old_code/tumor_growth/tumor_code.h   data_writer(u_dataOutput, w_dataOutput, timeProvider);
u_dataOutput      558 old_code/tumor_growth/tumor_code.h     data_writer(u_dataOutput, w_dataOutput, timeProvider);