| article html file updated | 6 February 2020 00:23 CET | Update | https://www.mdpi.com/2072-6651/5/2/286 |
| article html file updated | 8 May 2019 08:51 CEST | Update | - |
| article html file updated | 20 March 2019 18:11 CET | Update | - |
| article html file updated | 17 June 2015 06:09 CEST | Update | - |
| article html file updated | 19 February 2013 14:11 CET | Update | - |
| article xml uploaded. | 19 February 2013 14:11 CET | Original file | https://www.mdpi.com/2072-6651/5/2/286/xml |
| article html file updated | 8 February 2013 09:51 CET | Original file | - |
| article pdf uploaded. | 6 February 2013 16:45 CET | Updated version of record | https://www.mdpi.com/2072-6651/5/2/286/pdf |
| article pdf uploaded. | 4 February 2013 14:57 CET | Version of Record | https://www.mdpi.com/2072-6651/5/2/286/pdf-vor |
