| article html file updated | 6 February 2020 18:36 CET | Update | https://www.mdpi.com/2227-7382/3/2/74 |
| article html file updated | 6 May 2019 20:07 CEST | Update | N/A |
| article html file updated | 26 March 2019 02:32 CET | Update | N/A |
| article html file updated | 18 October 2016 11:15 CEST | Update | N/A |
| article html file updated | 21 August 2015 12:06 CEST | Original file | N/A |
| article supplementary file uploaded. | 13 May 2015 15:59 CEST | - | https://www.mdpi.com/2227-7382/3/2/74#supplementary |
| article pdf uploaded. | 13 May 2015 15:59 CEST | Version of Record | https://www.mdpi.com/2227-7382/3/2/74/pdf |
