| article html file updated | 13 February 2020 19:12 CET | Update | https://www.mdpi.com/2227-9091/7/4/99 |
| article html file updated | 30 December 2019 23:55 CET | Update | - |
| article html file updated | 23 September 2019 04:40 CEST | Original file | - |
| article pdf uploaded. | 23 September 2019 04:39 CEST | Updated version of record | https://www.mdpi.com/2227-9091/7/4/99/pdf |
| article xml uploaded. | 23 September 2019 04:39 CEST | Update | https://www.mdpi.com/2227-9091/7/4/99/xml |
| article xml file uploaded | 23 September 2019 04:39 CEST | Update | - |
| article pdf uploaded. | 20 September 2019 15:30 CEST | Version of Record | https://www.mdpi.com/2227-9091/7/4/99/pdf-vor |
| article xml file uploaded | 20 September 2019 15:30 CEST | Original file | - |
