| article html file updated | 8 February 2020 08:43 CET | Update | https://www.mdpi.com/1424-8220/17/6/1434 |
| article html file updated | 25 September 2019 10:40 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:39 CEST | Update | N/A |
| article html file updated | 30 June 2017 12:02 CEST | Update | N/A |
| article html file updated | 22 June 2017 09:54 CEST | Update | N/A |
| article xml uploaded. | 22 June 2017 09:53 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1434/xml |
| article pdf uploaded. | 22 June 2017 09:53 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1434/pdf |
| article html file updated | 19 June 2017 15:29 CEST | Original file | N/A |
| article pdf uploaded. | 19 June 2017 15:28 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1434/pdf-vor |
