| article html file updated | 7 February 2020 06:39 CET | Update | https://www.mdpi.com/1420-3049/21/4/429 |
| article html file updated | 21 September 2019 14:16 CEST | Update | - |
| article html file updated | 5 May 2019 19:56 CEST | Update | - |
| article html file updated | 27 March 2019 00:43 CET | Update | - |
| article html file updated | 17 September 2018 03:45 CEST | Update | - |
| article html file updated | 28 April 2016 11:33 CEST | Update | - |
| article html file updated | 30 March 2016 13:23 CEST | Original file | - |
| article xml uploaded. | 30 March 2016 13:22 CEST | Original file | https://www.mdpi.com/1420-3049/21/4/429/xml |
| article pdf uploaded. | 30 March 2016 13:22 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/4/429/pdf |
