| article html file updated | 8 February 2020 06:53 CET | Update | https://www.mdpi.com/1424-8220/17/6/1227 |
| article html file updated | 25 September 2019 01:19 CEST | Update | - |
| article html file updated | 3 May 2019 20:03 CEST | Update | - |
| article html file updated | 30 June 2017 11:32 CEST | Update | - |
| article html file updated | 27 May 2017 11:45 CEST | Original file | - |
| article xml uploaded. | 27 May 2017 11:44 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1227/xml |
| article pdf uploaded. | 27 May 2017 11:44 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1227/pdf |
