| article html file updated | 7 February 2020 06:48 CET | Update | https://www.mdpi.com/1424-8220/16/4/475 |
| article html file updated | 5 May 2019 19:38 CEST | Update | - |
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| article html file updated | 29 April 2016 04:32 CEST | Update | - |
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| article xml uploaded. | 2 April 2016 13:44 CEST | Original file | https://www.mdpi.com/1424-8220/16/4/475/xml |
| article pdf uploaded. | 2 April 2016 13:44 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/475/pdf |
