| article html file updated | 7 February 2020 02:03 CET | Update | https://www.mdpi.com/1996-1944/8/12/5482 |
| article html file updated | 6 May 2019 05:20 CEST | Update | - |
| article html file updated | 26 March 2019 16:11 CET | Original file | - |
| article pdf uploaded. | 14 December 2015 09:30 CET | Updated version of record | https://www.mdpi.com/1996-1944/8/12/5482/pdf |
| article pdf uploaded. | 10 December 2015 10:22 CET | Version of Record | https://www.mdpi.com/1996-1944/8/12/5482/pdf-vor |
| article xml uploaded. | 10 December 2015 10:22 CET | Original file | https://www.mdpi.com/1996-1944/8/12/5482/xml |
