| article html file updated | 11 February 2020 15:57 CET | Update | https://www.mdpi.com/1911-8074/12/1/34 |
| article html file updated | 14 October 2019 23:26 CEST | Update | - |
| article html file updated | 26 April 2019 16:58 CEST | Update | - |
| article html file updated | 12 April 2019 12:50 CEST | Update | - |
| article html file updated | 3 April 2019 20:16 CEST | Update | - |
| article html file updated | 28 February 2019 23:59 CET | Update | - |
| article html file updated | 14 February 2019 10:31 CET | Original file | - |
| article pdf uploaded. | 14 February 2019 10:30 CET | Version of Record | https://www.mdpi.com/1911-8074/12/1/34/pdf |
| article xml uploaded. | 14 February 2019 10:30 CET | Update | https://www.mdpi.com/1911-8074/12/1/34/xml |
| article xml file uploaded | 14 February 2019 10:30 CET | Original file | - |
