| article html file updated | 7 February 2020 06:35 CET | Update | https://www.mdpi.com/1424-8220/16/4/453 |
| article html file updated | 5 May 2019 20:03 CEST | Update | - |
| article html file updated | 27 March 2019 00:37 CET | Update | - |
| article html file updated | 29 April 2016 04:24 CEST | Update | - |
| article html file updated | 30 March 2016 08:35 CEST | Original file | - |
| article xml uploaded. | 30 March 2016 08:33 CEST | Update | https://www.mdpi.com/1424-8220/16/4/453/xml |
| article pdf uploaded. | 30 March 2016 08:33 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/453/pdf |
