| article html file updated | 8 February 2020 22:21 CET | Update | https://www.mdpi.com/2072-4292/9/12/1221 |
| article html file updated | 28 September 2019 18:54 CEST | Update | - |
| article html file updated | 2 May 2019 12:26 CEST | Update | - |
| article html file updated | 18 April 2019 10:03 CEST | Update | - |
| article html file updated | 2 January 2018 15:44 CET | Update | - |
| article html file updated | 27 November 2017 12:57 CET | Original file | - |
| article xml uploaded. | 27 November 2017 12:56 CET | Update | https://www.mdpi.com/2072-4292/9/12/1221/xml |
| article xml uploaded. | 27 November 2017 12:56 CET | Original file | - |
| article pdf uploaded. | 27 November 2017 12:56 CET | Version of Record | https://www.mdpi.com/2072-4292/9/12/1221/pdf |
