| article html file updated | 12 February 2020 20:15 CET | Update | https://www.mdpi.com/2227-7390/7/6/552 |
| article html file updated | 22 October 2019 00:56 CEST | Update | - |
| article html file updated | 4 July 2019 14:45 CEST | Update | - |
| article html file updated | 17 June 2019 13:12 CEST | Original file | - |
| article pdf uploaded. | 17 June 2019 13:11 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/6/552/pdf |
| article xml uploaded. | 17 June 2019 13:11 CEST | Update | https://www.mdpi.com/2227-7390/7/6/552/xml |
| article xml file uploaded | 17 June 2019 13:11 CEST | Original file | - |
