| article html file updated | 7 February 2020 04:40 CET | Update | https://www.mdpi.com/1660-4601/13/2/224 |
| article html file updated | 6 May 2019 00:05 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:57 CET | Original file | N/A |
| article pdf uploaded. | 17 February 2016 12:00 CET | Version of Record | https://www.mdpi.com/1660-4601/13/2/224/pdf |
| article xml uploaded. | 17 February 2016 12:00 CET | Original file | https://www.mdpi.com/1660-4601/13/2/224/xml |
