| article html file updated | 7 February 2020 17:06 CET | Update | https://www.mdpi.com/1420-3049/21/11/1421 |
| article html file updated | 22 September 2019 04:05 CEST | Update | N/A |
| article html file updated | 5 May 2019 00:13 CEST | Update | N/A |
| article html file updated | 17 September 2018 12:36 CEST | Update | N/A |
| article html file updated | 1 December 2016 22:26 CET | Update | N/A |
| article html file updated | 27 October 2016 12:46 CEST | Original file | N/A |
| article xml uploaded. | 27 October 2016 12:44 CEST | Original file | https://www.mdpi.com/1420-3049/21/11/1421/xml |
| article pdf uploaded. | 27 October 2016 12:44 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/11/1421/pdf |
