| article html file updated | 12 February 2020 19:13 CET | Update | https://www.mdpi.com/2227-7390/7/6/538 |
| article html file updated | 21 October 2019 18:40 CEST | Update | - |
| article html file updated | 4 July 2019 14:33 CEST | Update | - |
| article html file updated | 12 June 2019 14:17 CEST | Original file | - |
| article pdf uploaded. | 12 June 2019 14:16 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/6/538/pdf |
| article xml uploaded. | 12 June 2019 14:16 CEST | Update | https://www.mdpi.com/2227-7390/7/6/538/xml |
| article xml file uploaded | 12 June 2019 14:16 CEST | Original file | - |
