| article html file updated | 7 February 2020 02:37 CET | Update | https://www.mdpi.com/1660-4601/13/1/71 |
| article html file updated | 6 May 2019 04:10 CEST | Update | - |
| article html file updated | 26 March 2019 17:06 CET | Original file | - |
| article pdf uploaded. | 23 December 2015 12:43 CET | Version of Record | https://www.mdpi.com/1660-4601/13/1/71/pdf |
| article xml uploaded. | 23 December 2015 12:43 CET | Original file | https://www.mdpi.com/1660-4601/13/1/71/xml |
