| article html file updated | 7 February 2020 04:43 CET | Update | https://www.mdpi.com/1424-8220/16/2/243 |
| article html file updated | 5 May 2019 23:59 CEST | Update | N/A |
| article html file updated | 26 March 2019 21:02 CET | Original file | N/A |
| article pdf uploaded. | 18 February 2016 11:55 CET | Version of Record | https://www.mdpi.com/1424-8220/16/2/243/pdf |
| article xml uploaded. | 18 February 2016 11:55 CET | Original file | https://www.mdpi.com/1424-8220/16/2/243/xml |
