| article html file updated | 12 February 2020 01:09 CET | Update | https://www.mdpi.com/2227-7390/7/4/309 |
| article html file updated | 17 October 2019 06:44 CEST | Update | - |
| article html file updated | 9 May 2019 13:25 CEST | Update | - |
| article html file updated | 25 April 2019 20:50 CEST | Update | - |
| article html file updated | 11 April 2019 16:00 CEST | Update | - |
| article html file updated | 27 March 2019 12:45 CET | Original file | - |
| article pdf uploaded. | 27 March 2019 12:44 CET | Version of Record | https://www.mdpi.com/2227-7390/7/4/309/pdf |
| article xml uploaded. | 27 March 2019 12:44 CET | Update | https://www.mdpi.com/2227-7390/7/4/309/xml |
| article xml file uploaded | 27 March 2019 12:44 CET | Original file | - |
