| article html file updated | 6 February 2020 04:51 CET | Update | https://www.mdpi.com/2073-4360/5/4/1203 |
| article html file updated | 7 May 2019 23:24 CEST | Update | - |
| article html file updated | 21 March 2019 05:51 CET | Update | - |
| article html file updated | 17 June 2015 13:51 CEST | Original file | - |
| article supplementary file uploaded. | 15 October 2013 17:24 CEST | - | https://www.mdpi.com/2073-4360/5/4/1203#supplementary |
| article pdf uploaded. | 14 October 2013 14:17 CEST | Version of Record | https://www.mdpi.com/2073-4360/5/4/1203/pdf |
