| article html file updated | 8 February 2020 03:01 CET | Update | https://www.mdpi.com/1424-8220/17/4/784 |
| article html file updated | 24 September 2019 04:40 CEST | Update | - |
| article html file updated | 4 May 2019 03:18 CEST | Update | - |
| article html file updated | 29 April 2017 13:55 CEST | Update | - |
| article html file updated | 6 April 2017 15:04 CEST | Original file | - |
| article xml uploaded. | 6 April 2017 15:03 CEST | Update | https://www.mdpi.com/1424-8220/17/4/784/xml |
| article pdf uploaded. | 6 April 2017 15:03 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/784/pdf |
