| article html file updated | 6 February 2020 05:59 CET | Update | https://www.mdpi.com/2227-7382/1/3/254 |
| article html file updated | 7 May 2019 21:15 CEST | Update | - |
| article html file updated | 21 March 2019 08:52 CET | Update | - |
| article html file updated | 16 February 2017 06:56 CET | Update | - |
| article html file updated | 19 August 2015 12:23 CEST | Original file | - |
| article supplementary file uploaded. | 6 December 2013 15:41 CET | - | https://www.mdpi.com/2227-7382/1/3/254#supplementary |
| article pdf uploaded. | 5 December 2013 10:29 CET | Version of Record | https://www.mdpi.com/2227-7382/1/3/254/pdf |
