| article html file updated | 7 February 2020 10:35 CET | Update | https://www.mdpi.com/2072-4292/8/6/521 |
| article html file updated | 5 May 2019 12:09 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:13 CET | Update | N/A |
| article html file updated | 1 July 2016 11:34 CEST | Update | N/A |
| article html file updated | 22 June 2016 13:49 CEST | Original file | N/A |
| article xml uploaded. | 22 June 2016 13:47 CEST | Original file | https://www.mdpi.com/2072-4292/8/6/521/xml |
| article pdf uploaded. | 22 June 2016 13:47 CEST | Version of Record | https://www.mdpi.com/2072-4292/8/6/521/pdf |
