| article html file updated | 7 February 2020 07:06 CET | Update | https://www.mdpi.com/1420-3049/21/4/475 |
| article html file updated | 21 September 2019 14:54 CEST | Update | - |
| article html file updated | 5 May 2019 18:58 CEST | Update | - |
| article html file updated | 27 March 2019 01:34 CET | Update | - |
| article html file updated | 17 September 2018 03:59 CEST | Update | - |
| article html file updated | 28 April 2016 11:50 CEST | Update | - |
| article html file updated | 11 April 2016 13:00 CEST | Original file | - |
| article xml uploaded. | 11 April 2016 12:59 CEST | Original file | https://www.mdpi.com/1420-3049/21/4/475/xml |
| article pdf uploaded. | 11 April 2016 12:59 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/4/475/pdf |
