| article html file updated | 7 February 2020 16:30 CET | Update | https://www.mdpi.com/1424-8220/16/10/1720 |
| article html file updated | 5 May 2019 01:22 CEST | Update | - |
| article html file updated | 31 October 2016 07:49 CET | Update | - |
| article html file updated | 18 October 2016 05:02 CEST | Original file | - |
| article xml uploaded. | 18 October 2016 05:00 CEST | Update | https://www.mdpi.com/1424-8220/16/10/1720/xml |
| article xml uploaded. | 18 October 2016 05:00 CEST | Original file | - |
| article pdf uploaded. | 18 October 2016 05:00 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/10/1720/pdf |
