| article html file updated | 7 February 2020 06:41 CET | Update | https://www.mdpi.com/1420-3049/21/4/432 |
| article html file updated | 21 September 2019 14:19 CEST | Update | - |
| article html file updated | 5 May 2019 19:52 CEST | Update | - |
| article html file updated | 27 March 2019 00:47 CET | Update | - |
| article html file updated | 17 September 2018 03:46 CEST | Update | - |
| article html file updated | 28 April 2016 11:34 CEST | Update | - |
| article html file updated | 31 March 2016 13:30 CEST | Original file | - |
| article xml uploaded. | 31 March 2016 13:29 CEST | Original file | https://www.mdpi.com/1420-3049/21/4/432/xml |
| article pdf uploaded. | 31 March 2016 13:29 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/4/432/pdf |