| article html file updated | 8 February 2020 08:44 CET | Update | https://www.mdpi.com/1424-8220/17/6/1447 |
| article html file updated | 25 September 2019 10:47 CEST | Update | - |
| article html file updated | 3 May 2019 16:35 CEST | Update | - |
| article html file updated | 30 June 2017 12:05 CEST | Update | - |
| article html file updated | 20 June 2017 14:23 CEST | Original file | - |
| article xml uploaded. | 20 June 2017 14:22 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1447/xml |
| article pdf uploaded. | 20 June 2017 14:22 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1447/pdf |
