| article html file updated | 7 February 2020 11:38 CET | Update | https://www.mdpi.com/1420-3049/21/7/908 |
| article html file updated | 21 September 2019 20:54 CEST | Update | N/A |
| article html file updated | 5 May 2019 10:15 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:10 CET | Update | N/A |
| article html file updated | 17 September 2018 04:57 CEST | Update | N/A |
| article html file updated | 28 July 2016 10:23 CEST | Update | N/A |
| article html file updated | 13 July 2016 12:13 CEST | Original file | N/A |
| article xml uploaded. | 13 July 2016 12:11 CEST | Original file | https://www.mdpi.com/1420-3049/21/7/908/xml |
| article pdf uploaded. | 13 July 2016 12:11 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/7/908/pdf |
