| article html file updated | 11 February 2020 13:30 CET | Update | https://www.mdpi.com/2227-7072/7/1/8 |
| article html file updated | 26 April 2019 21:38 CEST | Update | - |
| article html file updated | 12 April 2019 17:28 CEST | Update | - |
| article html file updated | 10 April 2019 14:57 CEST | Update | - |
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| article html file updated | 28 February 2019 12:36 CET | Update | - |
| article html file updated | 2 February 2019 10:25 CET | Original file | - |
| article pdf uploaded. | 2 February 2019 10:22 CET | Version of Record | https://www.mdpi.com/2227-7072/7/1/8/pdf |
| article xml uploaded. | 2 February 2019 10:22 CET | Update | https://www.mdpi.com/2227-7072/7/1/8/xml |
| article xml file uploaded | 2 February 2019 10:22 CET | Original file | - |
