| article html file updated | 8 February 2020 08:30 CET | Update | https://www.mdpi.com/1424-8220/17/6/1412 |
| article html file updated | 25 September 2019 09:36 CEST | Update | - |
| article html file updated | 3 May 2019 17:03 CEST | Update | - |
| article html file updated | 30 June 2017 11:58 CEST | Update | - |
| article html file updated | 16 June 2017 13:36 CEST | Original file | - |
| article xml uploaded. | 16 June 2017 13:35 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1412/xml |
| article pdf uploaded. | 16 June 2017 13:35 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1412/pdf |
