| article html file updated | 7 February 2020 10:42 CET | Update | https://www.mdpi.com/2072-6643/8/7/391 |
| article html file updated | 5 May 2019 11:56 CEST | Update | N/A |
| article html file updated | 27 March 2019 08:26 CET | Update | N/A |
| article html file updated | 28 July 2016 09:11 CEST | Update | N/A |
| article html file updated | 24 June 2016 10:30 CEST | Original file | N/A |
| article xml uploaded. | 24 June 2016 10:28 CEST | Original file | https://www.mdpi.com/2072-6643/8/7/391/xml |
| article pdf uploaded. | 24 June 2016 10:28 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/7/391/pdf |
