| article html file updated | 7 February 2020 07:11 CET | Update | https://www.mdpi.com/1424-8220/16/4/528 |
| article html file updated | 5 May 2019 18:49 CEST | Update | - |
| article html file updated | 27 March 2019 01:43 CET | Update | - |
| article html file updated | 29 April 2016 04:59 CEST | Update | - |
| article html file updated | 13 April 2016 09:14 CEST | Original file | - |
| article xml uploaded. | 13 April 2016 09:13 CEST | Original file | https://www.mdpi.com/1424-8220/16/4/528/xml |
| article pdf uploaded. | 13 April 2016 09:13 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/4/528/pdf |
