| article html file updated | 6 February 2020 00:52 CET | Update | https://www.mdpi.com/1420-3049/18/3/3041 |
| article html file updated | 8 May 2019 07:39 CEST | Update | - |
| article html file updated | 20 March 2019 19:26 CET | Update | - |
| article html file updated | 17 September 2018 06:13 CEST | Update | - |
| article html file updated | 29 June 2017 13:17 CEST | Original file | - |
| article pdf uploaded. | 7 March 2013 14:01 CET | Updated version of record | https://www.mdpi.com/1420-3049/18/3/3041/pdf |
| article pdf uploaded. | 7 March 2013 08:50 CET | Updated version of record | - |
