| article html file updated | 14 September 2021 08:04 CEST | Update | https://www.mdpi.com/1420-3049/18/2/1540 |
| article html file updated | 14 September 2021 08:03 CEST | Update | - |
| article xml uploaded. | 14 September 2021 08:02 CEST | Original file | https://www.mdpi.com/1420-3049/18/2/1540/xml |
| article html file updated | 6 February 2020 00:13 CET | Update | - |
| article html file updated | 8 May 2019 09:18 CEST | Update | - |
| article html file updated | 20 March 2019 17:46 CET | Update | - |
| article html file updated | 12 November 2018 02:53 CET | Original file | - |
| article pdf uploaded. | 25 January 2013 10:58 CET | Version of Record | https://www.mdpi.com/1420-3049/18/2/1540/pdf |
