| article html file updated | 8 February 2020 20:45 CET | Update | https://www.mdpi.com/2076-328X/7/4/77 |
| article html file updated | 2 May 2019 16:00 CEST | Update | - |
| article html file updated | 2 January 2018 11:40 CET | Update | - |
| article html file updated | 9 November 2017 13:41 CET | Original file | - |
| article xml uploaded. | 9 November 2017 13:39 CET | Update | https://www.mdpi.com/2076-328X/7/4/77/xml |
| article xml uploaded. | 9 November 2017 13:39 CET | Original file | - |
| article pdf uploaded. | 9 November 2017 13:39 CET | Version of Record | https://www.mdpi.com/2076-328X/7/4/77/pdf |
