| article html file updated | 7 February 2020 01:38 CET | Update | https://www.mdpi.com/1996-1073/8/12/12386 |
| article html file updated | 6 May 2019 06:11 CEST | Update | - |
| article html file updated | 26 March 2019 15:31 CET | Original file | - |
| article pdf uploaded. | 10 December 2015 07:19 CET | Updated version of record | https://www.mdpi.com/1996-1073/8/12/12386/pdf |
| article pdf uploaded. | 2 December 2015 13:27 CET | Version of Record | https://www.mdpi.com/1996-1073/8/12/12386/pdf-vor |
| article xml uploaded. | 2 December 2015 13:27 CET | Original file | https://www.mdpi.com/1996-1073/8/12/12386/xml |
