| article html file updated | 8 February 2020 08:51 CET | Update | https://www.mdpi.com/1424-8220/17/6/1460 |
| article html file updated | 25 September 2019 11:26 CEST | Update | - |
| article html file updated | 3 May 2019 16:22 CEST | Update | - |
| article html file updated | 30 June 2017 12:08 CEST | Update | - |
| article html file updated | 21 June 2017 14:49 CEST | Original file | - |
| article xml uploaded. | 21 June 2017 14:48 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1460/xml |
| article pdf uploaded. | 21 June 2017 14:48 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1460/pdf |
