| article html file updated | 7 February 2020 06:17 CET | Update | https://www.mdpi.com/1420-3049/21/4/396 |
| article html file updated | 21 September 2019 13:45 CEST | Update | - |
| article html file updated | 5 May 2019 20:40 CEST | Update | - |
| article html file updated | 27 March 2019 00:07 CET | Update | - |
| article html file updated | 17 September 2018 03:34 CEST | Update | - |
| article html file updated | 28 April 2016 11:22 CEST | Original file | - |
| article xml uploaded. | 23 March 2016 10:45 CET | Original file | https://www.mdpi.com/1420-3049/21/4/396/xml |
| article pdf uploaded. | 23 March 2016 10:45 CET | Version of Record | https://www.mdpi.com/1420-3049/21/4/396/pdf |
