def __init__(self, in1=0, **options):
from nipype.interfaces.utility import Merge
n = 1
for ef in options:
if 'in' in ef:
n += 1
mi = Merge(n)
mi.inputs.in1 = in1
for ef in options:
setattr(mi.inputs, ef, options[ef])
self.res = mi.run()
