| article html file updated | 6 February 2020 17:05 CET | Update | https://www.mdpi.com/1999-4923/7/2/10 |
| article html file updated | 6 May 2019 22:56 CEST | Update | - |
| article html file updated | 25 March 2019 23:45 CET | Update | - |
| article html file updated | 21 August 2015 09:34 CEST | Update | - |
| article html file updated | 7 July 2015 04:43 CEST | Original file | - |
| article xml file uploaded | 7 July 2015 04:43 CEST | Original file | https://www.mdpi.com/1999-4923/7/2/10/xml |
| article pdf uploaded. | 30 March 2015 08:42 CEST | Updated version of record | https://www.mdpi.com/1999-4923/7/2/10/pdf |
| article pdf uploaded. | 27 March 2015 12:56 CET | Version of Record | https://www.mdpi.com/1999-4923/7/2/10/pdf-vor |
