| article html file updated | 6 February 2020 20:35 CET | Update | https://www.mdpi.com/1996-1073/8/7/7020 |
| article html file updated | 6 May 2019 15:57 CEST | Update | - |
| article html file updated | 26 March 2019 06:25 CET | Update | - |
| Correction published | 30 September 2015 00:00 CEST | Correction | http://www.mdpi.com/1996-1073/8/10/10993 |
| article html file updated | 21 August 2015 14:43 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/1996-1073/8/7/7020/xml |
| article pdf uploaded. | 13 July 2015 13:43 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/7/7020/pdf |
