| article html file updated | 7 February 2020 01:19 CET | Update | https://www.mdpi.com/1996-1073/8/11/12369 |
| article html file updated | 6 May 2019 06:44 CEST | Update | N/A |
| article html file updated | 26 March 2019 15:02 CET | Original file | N/A |
| article pdf uploaded. | 25 November 2015 09:50 CET | Updated version of record | https://www.mdpi.com/1996-1073/8/11/12369/pdf |
| article pdf uploaded. | 24 November 2015 14:48 CET | Version of Record | https://www.mdpi.com/1996-1073/8/11/12369/pdf-vor |
| article xml uploaded. | 24 November 2015 14:48 CET | Original file | https://www.mdpi.com/1996-1073/8/11/12369/xml |
