| article html file updated | 6 February 2020 03:45 CET | Update | https://www.mdpi.com/2072-6643/5/8/3151 |
| article html file updated | 8 May 2019 01:49 CEST | Update | - |
| article html file updated | 21 March 2019 02:51 CET | Original file | - |
| article pdf uploaded. | 14 August 2013 10:31 CEST | Updated version of record | https://www.mdpi.com/2072-6643/5/8/3151/pdf |
| article pdf uploaded. | 13 August 2013 10:46 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/8/3151/pdf-vor |
