Copyright for imagej source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: ImageJ
Upstream-Contact: Wayne Rasband 
                  for the NIH
Source: https://imagej.nih.gov/ij/download/src/

Files: * debian/extra/imagej1.png
Copyright: © 1999-2011 Wayne Rasband 
License: PD
 https://imagej.nih.gov/ij/disclaimer.html says:
 .
 ImageJ is being developed at the National Institutes of Health by an
 employee of the Federal Government in the course of his official
 duties. Pursuant to Title 17, Section 105 of the United States Code,
 this software is not subject to copyright protection and is in the
 public domain. ImageJ is an experimental system. NIH assumes no
 responsibility whatsoever for its use by other parties, and makes no
 guarantees, expressed or implied, about its quality, reliability, or
 any other characteristic.
Comment: The 'images/microscope.gif' included in the upstream source
 release is of too low quality for Debian policy.  The binary upstream
 releases include an higher resolution version of the icon at
 'images/icon.png'.  That file was extracted from the there and is
 debian/extra/imagej1.png.  The upstream binary releases for Linux are
 at https://wsr.imagej.net/distros/linux/

Files: debian/*
Copyright: © 2006-2008 Paolo Ariano 
           © 2008-2017 Andreas Tille 
License: GPL-3+
 On Debian systems, the complete text of the GNU General Public
 License version 3 can be found in `/usr/share/common-licenses/GPL-3'.