| article html file updated | 7 February 2020 07:41 CET | Update | https://www.mdpi.com/1420-3049/21/4/523 |
| article html file updated | 21 September 2019 15:48 CEST | Update | - |
| article html file updated | 5 May 2019 17:46 CEST | Update | - |
| article html file updated | 27 March 2019 02:46 CET | Update | - |
| article html file updated | 17 September 2018 04:15 CEST | Update | - |
| article html file updated | 28 April 2016 12:02 CEST | Update | - |
| article html file updated | 22 April 2016 16:11 CEST | Original file | - |
| article xml uploaded. | 22 April 2016 16:09 CEST | Original file | https://www.mdpi.com/1420-3049/21/4/523/xml |
| article pdf uploaded. | 22 April 2016 16:09 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/4/523/pdf |
