| article html file updated | 14 February 2020 01:16 CET | Update | https://www.mdpi.com/1911-8074/12/4/161 |
| article html file updated | 31 December 2019 20:34 CET | Update | - |
| article html file updated | 16 October 2019 10:23 CEST | Original file | - |
| article pdf uploaded. | 16 October 2019 10:21 CEST | Version of Record | https://www.mdpi.com/1911-8074/12/4/161/pdf |
| article xml uploaded. | 16 October 2019 10:21 CEST | Update | https://www.mdpi.com/1911-8074/12/4/161/xml |
| article xml file uploaded | 16 October 2019 10:21 CEST | Original file | - |
