| article html file updated | 8 February 2020 03:48 CET | Update | https://www.mdpi.com/1424-8220/17/4/884 |
| article html file updated | 24 September 2019 08:59 CEST | Update | - |
| article html file updated | 4 May 2019 01:49 CEST | Update | - |
| article html file updated | 29 April 2017 14:18 CEST | Update | - |
| article html file updated | 18 April 2017 11:05 CEST | Original file | - |
| article xml uploaded. | 18 April 2017 11:04 CEST | Update | https://www.mdpi.com/1424-8220/17/4/884/xml |
| article pdf uploaded. | 18 April 2017 11:04 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/884/pdf |
