| article html file updated | 7 February 2020 04:56 CET | Update | https://www.mdpi.com/1660-4601/13/3/251 |
| article html file updated | 21 September 2019 11:51 CEST | Update | - |
| article html file updated | 5 May 2019 23:29 CEST | Update | - |
| article html file updated | 26 March 2019 21:30 CET | Update | - |
| article html file updated | 28 March 2016 11:11 CEST | Original file | - |
| article pdf uploaded. | 24 February 2016 09:33 CET | Version of Record | https://www.mdpi.com/1660-4601/13/3/251/pdf |
| article xml uploaded. | 24 February 2016 09:33 CET | Original file | https://www.mdpi.com/1660-4601/13/3/251/xml |
