| article html file updated | 6 February 2020 15:13 CET | Update | https://www.mdpi.com/1996-1073/8/1/573 |
| article html file updated | 7 May 2019 02:23 CEST | Update | - |
| article html file updated | 25 March 2019 20:34 CET | Update | - |
| article html file updated | 21 August 2015 05:56 CEST | Update | - |
| article html file updated | 27 January 2015 07:00 CET | Update | - |
| article xml file uploaded | 27 January 2015 07:00 CET | Update | https://www.mdpi.com/1996-1073/8/1/573/xml |
| article html file updated | 23 January 2015 08:24 CET | Original file | - |
| article xml file uploaded | 23 January 2015 08:24 CET | Original file | - |
| article pdf uploaded. | 20 January 2015 08:09 CET | Updated version of record | https://www.mdpi.com/1996-1073/8/1/573/pdf |
| article pdf uploaded. | 15 January 2015 14:23 CET | Version of Record | https://www.mdpi.com/1996-1073/8/1/573/pdf-vor |
