| article html file updated | 6 February 2020 20:30 CET | Update | https://www.mdpi.com/1996-1073/8/7/6898 |
| article html file updated | 6 May 2019 16:06 CEST | Update | - |
| article html file updated | 26 March 2019 06:16 CET | Update | - |
| article html file updated | 26 April 2016 11:31 CEST | Update | - |
| article html file updated | 21 August 2015 14:39 CEST | Update | - |
| article html file updated | 10 August 2015 12:31 CEST | Original file | - |
| article xml file uploaded | 10 August 2015 12:31 CEST | Original file | https://www.mdpi.com/1996-1073/8/7/6898/xml |
| article pdf uploaded. | 13 July 2015 08:52 CEST | Updated version of record | https://www.mdpi.com/1996-1073/8/7/6898/pdf |
| article supplementary file uploaded. | 10 July 2015 08:15 CEST | - | https://www.mdpi.com/1996-1073/8/7/6898#supplementary |
| article pdf uploaded. | 10 July 2015 08:15 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/7/6898/pdf-vor |
