| article html file updated | 13 February 2020 22:47 CET | Update | https://www.mdpi.com/2076-0787/8/4/157 |
| article html file updated | 22 November 2019 03:00 CET | Original file | - |
| article pdf uploaded. | 22 November 2019 02:58 CET | Updated version of record | https://www.mdpi.com/2076-0787/8/4/157/pdf |
| article xml uploaded. | 22 November 2019 02:58 CET | Update | https://www.mdpi.com/2076-0787/8/4/157/xml |
| article xml file uploaded | 22 November 2019 02:58 CET | Update | - |
| article pdf uploaded. | 6 October 2019 11:34 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/4/157/pdf-vor |
| article xml file uploaded | 6 October 2019 11:34 CEST | Original file | - |
