| article html file updated | 6 February 2020 07:12 CET | Update | https://www.mdpi.com/1420-3049/19/2/1976 |
| article html file updated | 20 September 2019 05:49 CEST | Update | - |
| article html file updated | 7 May 2019 18:45 CEST | Update | - |
| article html file updated | 21 March 2019 12:13 CET | Update | - |
| article html file updated | 12 September 2018 05:11 CEST | Update | - |
| article html file updated | 19 August 2015 20:07 CEST | Original file | - |
| article supplementary file uploaded. | 12 February 2014 11:53 CET | - | https://www.mdpi.com/1420-3049/19/2/1976#supplementary |
| article pdf uploaded. | 12 February 2014 11:52 CET | Version of Record | https://www.mdpi.com/1420-3049/19/2/1976/pdf |
