| article html file updated | 7 February 2020 20:04 CET | Update | https://www.mdpi.com/1420-3049/21/12/1756 |
| article html file updated | 22 September 2019 13:57 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:17 CEST | Update | N/A |
| article html file updated | 17 September 2018 13:43 CEST | Update | N/A |
| article html file updated | 27 December 2016 12:15 CET | Update | N/A |
| article html file updated | 21 December 2016 12:25 CET | Original file | N/A |
| article xml uploaded. | 21 December 2016 12:24 CET | Update | https://www.mdpi.com/1420-3049/21/12/1756/xml |
| article xml uploaded. | 21 December 2016 12:24 CET | Original file | N/A |
| article pdf uploaded. | 21 December 2016 12:24 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1756/pdf |
