| article html file updated | 6 February 2020 01:25 CET | Update | https://www.mdpi.com/1420-3049/18/4/4181 |
| article html file updated | 8 May 2019 06:28 CEST | Update | - |
| article html file updated | 20 March 2019 20:47 CET | Update | - |
| article html file updated | 17 September 2018 10:26 CEST | Original file | - |
| article pdf uploaded. | 10 April 2013 17:09 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/4/4181/pdf |
| article supplementary file uploaded. | 9 April 2013 11:17 CEST | - | https://www.mdpi.com/1420-3049/18/4/4181#supplementary |
| article pdf uploaded. | 9 April 2013 11:17 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/4/4181/pdf-vor |
