| article html file updated | 12 February 2020 22:00 CET | Update | https://www.mdpi.com/2079-9292/8/6/721 |
| article html file updated | 22 October 2019 11:53 CEST | Update | - |
| article html file updated | 5 July 2019 20:29 CEST | Update | - |
| article html file updated | 25 June 2019 14:53 CEST | Original file | - |
| article pdf uploaded. | 25 June 2019 14:52 CEST | Version of Record | https://www.mdpi.com/2079-9292/8/6/721/pdf |
| article xml uploaded. | 25 June 2019 14:52 CEST | Update | https://www.mdpi.com/2079-9292/8/6/721/xml |
| article xml file uploaded | 25 June 2019 14:52 CEST | Original file | - |
