| article html file updated | 7 February 2020 19:10 CET | Update | https://www.mdpi.com/1420-3049/21/12/1669 |
| article html file updated | 22 September 2019 09:08 CEST | Update | N/A |
| article html file updated | 4 May 2019 20:10 CEST | Update | N/A |
| article html file updated | 17 September 2018 13:01 CEST | Update | N/A |
| article html file updated | 27 December 2016 12:04 CET | Update | N/A |
| article html file updated | 6 December 2016 13:08 CET | Original file | N/A |
| article xml uploaded. | 6 December 2016 13:07 CET | Update | https://www.mdpi.com/1420-3049/21/12/1669/xml |
| article xml uploaded. | 6 December 2016 13:07 CET | Original file | N/A |
| article pdf uploaded. | 6 December 2016 13:07 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1669/pdf |
