| article html file updated | 9 February 2020 12:30 CET | Update | https://www.mdpi.com/2073-431X/7/2/22 |
| article html file updated | 2 October 2019 06:40 CEST | Update | - |
| article html file updated | 1 May 2019 06:09 CEST | Update | - |
| article html file updated | 17 April 2019 06:15 CEST | Update | - |
| article html file updated | 29 March 2019 12:38 CET | Update | - |
| article html file updated | 27 June 2018 19:20 CEST | Update | - |
| article html file updated | 4 April 2018 11:47 CEST | Original file | - |
| article pdf uploaded. | 4 April 2018 11:45 CEST | Version of Record | https://www.mdpi.com/2073-431X/7/2/22/pdf |
| article xml uploaded. | 4 April 2018 11:45 CEST | Update | https://www.mdpi.com/2073-431X/7/2/22/xml |
| article xml file uploaded | 4 April 2018 11:45 CEST | Original file | - |
