| article html file updated | 7 February 2020 02:25 CET | Update | https://www.mdpi.com/1996-1073/8/12/12432 |
| article html file updated | 6 May 2019 04:35 CEST | Update | - |
| article html file updated | 26 March 2019 16:48 CET | Original file | - |
| article pdf uploaded. | 22 December 2015 11:45 CET | Updated version of record | https://www.mdpi.com/1996-1073/8/12/12432/pdf |
| article xml uploaded. | 22 December 2015 11:45 CET | Update | https://www.mdpi.com/1996-1073/8/12/12432/xml |
| article pdf uploaded. | 18 December 2015 13:40 CET | Version of Record | https://www.mdpi.com/1996-1073/8/12/12432/pdf-vor |
| article xml uploaded. | 18 December 2015 13:40 CET | Original file | - |
