| article html file updated | 7 February 2020 07:31 CET | Update | https://www.mdpi.com/1424-8220/16/4/560 |
| article html file updated | 5 May 2019 18:07 CEST | Update | - |
| article html file updated | 27 March 2019 02:24 CET | Update | - |
| article html file updated | 29 April 2016 05:14 CEST | Update | - |
| article html file updated | 20 April 2016 09:51 CEST | Original file | - |
| article xml uploaded. | 20 April 2016 09:49 CEST | Update | https://www.mdpi.com/1424-8220/16/4/560/xml |
| article pdf uploaded. | 20 April 2016 09:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/560/pdf |
