| article html file updated | 8 February 2020 07:28 CET | Update | https://www.mdpi.com/1424-8220/17/6/1284 |
| article html file updated | 25 September 2019 04:10 CEST | Update | - |
| article html file updated | 3 May 2019 18:59 CEST | Update | - |
| article html file updated | 30 June 2017 22:35 CEST | Update | - |
| article html file updated | 4 June 2017 13:51 CEST | Original file | - |
| article xml uploaded. | 4 June 2017 13:49 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1284/xml |
| article pdf uploaded. | 4 June 2017 13:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1284/pdf |
