| article html file updated | 6 February 2020 03:10 CET | Update | https://www.mdpi.com/2073-8994/5/3/253 |
| article html file updated | 19 September 2019 22:43 CEST | Update | - |
| article html file updated | 8 May 2019 02:56 CEST | Update | - |
| article html file updated | 21 March 2019 01:11 CET | Update | - |
| article html file updated | 19 December 2016 11:45 CET | Original file | - |
| article pdf uploaded. | 15 July 2013 11:08 CEST | Updated version of record | https://www.mdpi.com/2073-8994/5/3/253/pdf |
| article pdf uploaded. | 12 July 2013 14:55 CEST | Version of Record | https://www.mdpi.com/2073-8994/5/3/253/pdf-vor |
