| article html file updated | 6 February 2020 21:41 CET | Update | https://www.mdpi.com/1999-4893/8/3/632 |
| article html file updated | 6 May 2019 13:42 CEST | Update | - |
| article html file updated | 26 March 2019 08:35 CET | Update | - |
| article html file updated | 16 October 2015 12:14 CEST | Update | - |
| article xml file uploaded | 16 October 2015 12:14 CEST | Update | https://www.mdpi.com/1999-4893/8/3/632/xml |
| article html file updated | 8 September 2015 08:09 CEST | Update | - |
| article xml file uploaded | 8 September 2015 08:09 CEST | Original file | - |
| article html file updated | 21 August 2015 15:35 CEST | Original file | - |
| article pdf uploaded. | 14 August 2015 08:23 CEST | Updated version of record | https://www.mdpi.com/1999-4893/8/3/632/pdf |
| article pdf uploaded. | 12 August 2015 15:48 CEST | Version of Record | https://www.mdpi.com/1999-4893/8/3/632/pdf-vor |
