| article html file updated | 8 February 2020 07:23 CET | Update | https://www.mdpi.com/1424-8220/17/6/1277 |
| article html file updated | 25 September 2019 03:44 CEST | Update | - |
| article html file updated | 3 May 2019 19:08 CEST | Update | - |
| article html file updated | 30 June 2017 22:34 CEST | Update | - |
| article html file updated | 3 June 2017 08:33 CEST | Original file | - |
| article xml uploaded. | 3 June 2017 08:31 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1277/xml |
| article pdf uploaded. | 3 June 2017 08:31 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1277/pdf |
