| article html file updated | 7 February 2020 04:40 CET | Update | https://www.mdpi.com/1660-4601/13/2/222 |
| article html file updated | 6 May 2019 00:05 CEST | Update | - |
| article html file updated | 26 March 2019 20:57 CET | Original file | - |
| article pdf uploaded. | 18 February 2016 02:16 CET | Version of Record | https://www.mdpi.com/1660-4601/13/2/222/pdf |
| article xml uploaded. | 18 February 2016 02:16 CET | Original file | https://www.mdpi.com/1660-4601/13/2/222/xml |
