| article html file updated | 11 February 2020 01:50 CET | Update | https://www.mdpi.com/2073-431X/7/4/69 |
| article html file updated | 11 October 2019 15:02 CEST | Update | - |
| article html file updated | 27 April 2019 22:24 CEST | Update | - |
| article html file updated | 13 April 2019 18:16 CEST | Update | - |
| article html file updated | 2 April 2019 09:30 CEST | Update | - |
| article html file updated | 26 December 2018 05:09 CET | Update | - |
| article html file updated | 7 December 2018 11:48 CET | Original file | - |
| article pdf uploaded. | 7 December 2018 11:46 CET | Version of Record | https://www.mdpi.com/2073-431X/7/4/69/pdf |
| article xml uploaded. | 7 December 2018 11:46 CET | Update | https://www.mdpi.com/2073-431X/7/4/69/xml |
| article xml file uploaded | 7 December 2018 11:46 CET | Original file | - |
