| article html file updated | 6 February 2020 03:16 CET | Update | https://www.mdpi.com/2072-6651/5/7/1261 |
| article html file updated | 19 September 2019 22:55 CEST | Update | - |
| article html file updated | 8 May 2019 02:46 CEST | Update | - |
| article html file updated | 21 March 2019 01:28 CET | Update | - |
| article html file updated | 17 June 2015 11:24 CEST | Update | - |
| article html file updated | 8 August 2013 11:36 CEST | Original file | - |
| article xml file uploaded | 8 August 2013 11:36 CEST | Original file | https://www.mdpi.com/2072-6651/5/7/1261/xml |
| article pdf uploaded. | 18 July 2013 10:59 CEST | Updated version of record | https://www.mdpi.com/2072-6651/5/7/1261/pdf |
| article pdf uploaded. | 17 July 2013 12:27 CEST | Version of Record | https://www.mdpi.com/2072-6651/5/7/1261/pdf-vor |
