| article html file updated | 6 February 2020 02:52 CET | Update | https://www.mdpi.com/2220-9964/2/3/598 |
| article html file updated | 8 May 2019 03:32 CEST | Update | N/A |
| article html file updated | 21 March 2019 00:25 CET | Update | N/A |
| article html file updated | 17 June 2015 10:38 CEST | Original file | N/A |
| article supplementary file uploaded. | 6 May 2014 16:40 CEST | - | https://www.mdpi.com/2220-9964/2/3/598#supplementary |
| article pdf uploaded. | 27 June 2013 14:20 CEST | Version of Record | https://www.mdpi.com/2220-9964/2/3/598/pdf |