| article html file updated | 7 February 2020 10:09 CET | Update | https://www.mdpi.com/2072-4292/8/6/502 |
| article html file updated | 5 May 2019 12:58 CEST | Update | N/A |
| article html file updated | 27 March 2019 07:28 CET | Update | N/A |
| article html file updated | 1 July 2016 11:23 CEST | Update | N/A |
| article html file updated | 14 June 2016 13:38 CEST | Original file | N/A |
| article xml uploaded. | 14 June 2016 13:36 CEST | Original file | https://www.mdpi.com/2072-4292/8/6/502/xml |
| article pdf uploaded. | 14 June 2016 13:36 CEST | Version of Record | https://www.mdpi.com/2072-4292/8/6/502/pdf |
