| article html file updated | 7 February 2020 01:58 CET | Update | https://www.mdpi.com/1996-1073/8/12/12406 |
| article html file updated | 6 May 2019 05:32 CEST | Update | - |
| article html file updated | 26 March 2019 16:02 CET | Original file | - |
| article xml uploaded. | 10 December 2015 07:57 CET | Update | https://www.mdpi.com/1996-1073/8/12/12406/xml |
| article pdf uploaded. | 10 December 2015 07:56 CET | Updated version of record | https://www.mdpi.com/1996-1073/8/12/12406/pdf |
| article pdf uploaded. | 9 December 2015 12:04 CET | Version of Record | https://www.mdpi.com/1996-1073/8/12/12406/pdf-vor |
| article xml uploaded. | 9 December 2015 12:04 CET | Original file | - |
