| article html file updated | 7 February 2020 18:56 CET | Update | https://www.mdpi.com/1420-3049/21/12/1656 |
| article html file updated | 4 May 2019 20:40 CEST | Update | - |
| article html file updated | 17 September 2018 12:56 CEST | Update | - |
| article html file updated | 27 December 2016 12:02 CET | Update | - |
| article html file updated | 1 December 2016 14:28 CET | Original file | - |
| article xml uploaded. | 1 December 2016 14:27 CET | Original file | https://www.mdpi.com/1420-3049/21/12/1656/xml |
| article pdf uploaded. | 1 December 2016 14:27 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1656/pdf |
