| article html file updated | 8 February 2020 22:00 CET | Update | https://www.mdpi.com/2073-4441/9/12/911 |
| article html file updated | 28 September 2019 16:46 CEST | Update | N/A |
| article html file updated | 2 May 2019 13:10 CEST | Update | N/A |
| article html file updated | 18 April 2019 10:49 CEST | Update | N/A |
| article html file updated | 2 January 2018 16:42 CET | Update | N/A |
| article html file updated | 23 November 2017 13:03 CET | Original file | N/A |
| article xml uploaded. | 23 November 2017 13:02 CET | Original file | https://www.mdpi.com/2073-4441/9/12/911/xml |
| article pdf uploaded. | 23 November 2017 13:02 CET | Version of Record | https://www.mdpi.com/2073-4441/9/12/911/pdf |
