| article html file updated | 6 February 2020 00:04 CET | Update | https://www.mdpi.com/1420-3049/18/1/1227 |
| article html file updated | 8 May 2019 09:38 CEST | Update | N/A |
| article html file updated | 20 March 2019 17:23 CET | Update | N/A |
| article html file updated | 9 November 2018 11:49 CET | Original file | N/A |
| article pdf uploaded. | 23 January 2013 09:49 CET | Updated version of record | https://www.mdpi.com/1420-3049/18/1/1227/pdf |
| article supplementary file uploaded. | 18 January 2013 10:37 CET | - | https://www.mdpi.com/1420-3049/18/1/1227#supplementary |
| article pdf uploaded. | 18 January 2013 10:37 CET | Version of Record | https://www.mdpi.com/1420-3049/18/1/1227/pdf-vor |
