| article html file updated | 6 February 2020 13:22 CET | Update | https://www.mdpi.com/2072-666X/5/4/1002 |
| article html file updated | 7 May 2019 06:03 CEST | Update | - |
| article html file updated | 25 March 2019 17:03 CET | Update | - |
| article html file updated | 21 August 2015 01:11 CEST | Original file | - |
| article supplementary file uploaded. | 4 November 2014 14:42 CET | - | https://www.mdpi.com/2072-666X/5/4/1002#supplementary |
| article pdf uploaded. | 4 November 2014 14:42 CET | Version of Record | https://www.mdpi.com/2072-666X/5/4/1002/pdf |
