| article html file updated | 8 February 2020 07:49 CET | Update | https://www.mdpi.com/1424-8220/17/6/1335 |
| article html file updated | 25 September 2019 06:01 CEST | Update | - |
| article html file updated | 3 May 2019 18:20 CEST | Update | - |
| article html file updated | 30 June 2017 22:41 CEST | Update | - |
| article html file updated | 9 June 2017 12:12 CEST | Original file | - |
| article xml uploaded. | 9 June 2017 12:11 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1335/xml |
| article pdf uploaded. | 9 June 2017 12:11 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1335/pdf |
| article pdf uploaded. | 8 June 2017 13:27 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1335/pdf-vor |
