| article html file updated | 7 February 2020 07:22 CET | Update | https://www.mdpi.com/1424-8220/16/4/547 |
| article html file updated | 5 May 2019 18:26 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:04 CET | Update | N/A |
| article html file updated | 29 April 2016 05:07 CEST | Update | N/A |
| article html file updated | 15 April 2016 13:40 CEST | Original file | N/A |
| article xml uploaded. | 15 April 2016 13:39 CEST | Original file | https://www.mdpi.com/1424-8220/16/4/547/xml |
| article pdf uploaded. | 15 April 2016 13:39 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/547/pdf |
