| article html file updated | 8 February 2020 03:37 CET | Update | https://www.mdpi.com/1424-8220/17/4/867 |
| article html file updated | 24 September 2019 07:53 CEST | Update | - |
| article html file updated | 4 May 2019 02:10 CEST | Update | - |
| article html file updated | 29 April 2017 14:14 CEST | Update | - |
| article html file updated | 17 April 2017 17:00 CEST | Original file | - |
| article xml uploaded. | 17 April 2017 16:58 CEST | Update | https://www.mdpi.com/1424-8220/17/4/867/xml |
| article pdf uploaded. | 17 April 2017 16:58 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/867/pdf |
| article pdf uploaded. | 14 April 2017 13:12 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/867/pdf-vor |
