| article html file updated | 6 February 2020 10:52 CET | Update | https://www.mdpi.com/2072-666X/5/3/457 |
| article html file updated | 7 May 2019 11:18 CEST | Update | - |
| article html file updated | 21 March 2019 21:20 CET | Update | - |
| article html file updated | 20 August 2015 13:17 CEST | Original file | - |
| article pdf uploaded. | 22 July 2014 14:30 CEST | Updated version of record | https://www.mdpi.com/2072-666X/5/3/457/pdf |
| article pdf uploaded. | 22 July 2014 14:12 CEST | Updated version of record | https://www.mdpi.com/2072-666X/5/3/457/pdf-vor |
| article pdf uploaded. | 21 July 2014 17:10 CEST | Version of Record | https://www.mdpi.com/2072-666X/5/3/457/pdf-vor |
