| article html file updated | 7 February 2020 08:03 CET | Update | https://www.mdpi.com/1420-3049/21/5/568 |
| article html file updated | 21 September 2019 16:19 CEST | Update | N/A |
| article html file updated | 5 May 2019 17:03 CEST | Update | N/A |
| article html file updated | 27 March 2019 03:29 CET | Update | N/A |
| article html file updated | 17 September 2018 03:42 CEST | Update | N/A |
| article html file updated | 26 May 2016 13:33 CEST | Update | N/A |
| article html file updated | 30 April 2016 07:58 CEST | Original file | N/A |
| article xml uploaded. | 30 April 2016 07:57 CEST | Original file | https://www.mdpi.com/1420-3049/21/5/568/xml |
| article pdf uploaded. | 30 April 2016 07:57 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/5/568/pdf |
