| article html file updated | 8 February 2020 07:31 CET | Update | https://www.mdpi.com/1424-8220/17/6/1291 |
| article html file updated | 25 September 2019 04:26 CEST | Update | - |
| article html file updated | 3 May 2019 18:53 CEST | Update | - |
| article html file updated | 30 June 2017 11:39 CEST | Update | - |
| article html file updated | 6 June 2017 08:50 CEST | Update | - |
| article xml uploaded. | 6 June 2017 08:48 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1291/xml |
| article pdf uploaded. | 6 June 2017 08:48 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1291/pdf |
| article html file updated | 5 June 2017 15:13 CEST | Original file | - |
| article pdf uploaded. | 5 June 2017 15:11 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1291/pdf-vor |
