| article html file updated | 7 February 2020 22:28 CET | Update | https://www.mdpi.com/1420-3049/22/2/209 |
| article html file updated | 23 September 2019 02:51 CEST | Update | - |
| article html file updated | 4 May 2019 13:08 CEST | Update | - |
| article html file updated | 11 September 2018 09:47 CEST | Update | - |
| article html file updated | 11 September 2018 05:45 CEST | Update | - |
| article html file updated | 10 September 2018 10:33 CEST | Update | - |
| article html file updated | 2 March 2017 03:52 CET | Update | - |
| article html file updated | 6 February 2017 11:33 CET | Original file | - |
| article xml uploaded. | 6 February 2017 11:32 CET | Original file | https://www.mdpi.com/1420-3049/22/2/209/xml |
| article pdf uploaded. | 6 February 2017 11:32 CET | Updated version of record | https://www.mdpi.com/1420-3049/22/2/209/pdf |
| article pdf uploaded. | 29 January 2017 07:13 CET | Version of Record | https://www.mdpi.com/1420-3049/22/2/209/pdf-vor |
