Arbor Analytics LLC, Ann Arbor, MI, USA. kjell@arboranalytics.com|Arbor Analytics LLC, Ann Arbor, MI, USA. kjell@arboranalytics.com|Arbor Analytics LLC, Ann Arbor, MI, USA. kjell@arboranalytics.com|Arbor Analytics LLC, Ann Arbor, MI, USA. kjell@arboranalytics.com|Arbor Analytics LLC, Ann Arbor, MI, USA. kjell@arboranalytics.com