| article html file updated | 8 February 2020 08:37 CET | Update | https://www.mdpi.com/1424-8220/17/6/1427 |
| article html file updated | 25 September 2019 10:13 CEST | Update | - |
| article html file updated | 3 May 2019 16:49 CEST | Update | - |
| article html file updated | 30 June 2017 12:01 CEST | Update | - |
| article html file updated | 18 June 2017 22:31 CEST | Original file | - |
| article xml uploaded. | 18 June 2017 13:04 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1427/xml |
| article pdf uploaded. | 18 June 2017 13:04 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1427/pdf |
