| article html file updated | 7 February 2020 11:30 CET | Update | https://www.mdpi.com/2072-6643/8/7/420 |
| article html file updated | 5 May 2019 10:30 CEST | Update | N/A |
| article html file updated | 27 March 2019 09:55 CET | Update | N/A |
| article html file updated | 28 July 2016 09:35 CEST | Update | N/A |
| article html file updated | 11 July 2016 12:18 CEST | Original file | N/A |
| article xml uploaded. | 11 July 2016 12:16 CEST | Original file | https://www.mdpi.com/2072-6643/8/7/420/xml |
| article pdf uploaded. | 11 July 2016 12:16 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/7/420/pdf |
