| article html file updated | 8 February 2020 04:05 CET | Update | https://www.mdpi.com/1424-8220/17/4/915 |
| article html file updated | 24 September 2019 10:39 CEST | Update | - |
| article html file updated | 4 May 2019 01:17 CEST | Update | - |
| article html file updated | 29 April 2017 14:26 CEST | Update | - |
| article html file updated | 21 April 2017 11:50 CEST | Original file | - |
| article xml uploaded. | 21 April 2017 11:49 CEST | Update | https://www.mdpi.com/1424-8220/17/4/915/xml |
| article pdf uploaded. | 21 April 2017 11:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/915/pdf |
