| article html file updated | 7 February 2020 07:34 CET | Update | https://www.mdpi.com/1424-8220/16/4/564 |
| article html file updated | 5 May 2019 18:00 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:31 CET | Update | N/A |
| article html file updated | 29 April 2016 05:16 CEST | Update | N/A |
| article html file updated | 20 April 2016 14:46 CEST | Original file | N/A |
| article xml uploaded. | 20 April 2016 14:45 CEST | Update | https://www.mdpi.com/1424-8220/16/4/564/xml |
| article pdf uploaded. | 20 April 2016 14:45 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/564/pdf |
