| article html file updated | 14 February 2020 07:43 CET | Update | https://www.mdpi.com/1911-8074/12/4/169 |
| article html file updated | 31 December 2019 20:42 CET | Update | - |
| article html file updated | 22 November 2019 10:41 CET | Original file | - |
| article pdf uploaded. | 22 November 2019 10:40 CET | Updated version of record | https://www.mdpi.com/1911-8074/12/4/169/pdf |
| article xml uploaded. | 22 November 2019 10:40 CET | Update | https://www.mdpi.com/1911-8074/12/4/169/xml |
| article xml file uploaded | 22 November 2019 10:40 CET | Update | - |
| article pdf uploaded. | 7 November 2019 16:18 CET | Version of Record | https://www.mdpi.com/1911-8074/12/4/169/pdf-vor |
| article xml file uploaded | 7 November 2019 16:18 CET | Original file | - |
