| article html file updated | 7 February 2020 00:02 CET | Update | https://www.mdpi.com/2227-7382/3/4/328 |
| article html file updated | 6 May 2019 08:48 CEST | Update | N/A |
| article html file updated | 26 March 2019 13:02 CET | Update | N/A |
| article html file updated | 19 October 2016 12:16 CEST | Original file | N/A |
| article supplementary file uploaded. | 21 October 2015 14:19 CEST | - | https://www.mdpi.com/2227-7382/3/4/328#supplementary |
| article pdf uploaded. | 21 October 2015 14:19 CEST | Version of Record | https://www.mdpi.com/2227-7382/3/4/328/pdf |
