| article html file updated | 9 February 2020 16:36 CET | Update | https://www.mdpi.com/2313-7673/3/2/9 |
| article html file updated | 3 October 2019 07:41 CEST | Update | - |
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| article html file updated | 27 June 2018 09:12 CEST | Update | - |
| article html file updated | 7 May 2018 08:29 CEST | Original file | - |
| article pdf uploaded. | 7 May 2018 08:28 CEST | Version of Record | https://www.mdpi.com/2313-7673/3/2/9/pdf |
| article xml uploaded. | 7 May 2018 08:28 CEST | Update | https://www.mdpi.com/2313-7673/3/2/9/xml |
| article xml file uploaded | 7 May 2018 08:28 CEST | Original file | - |
