| article html file updated | 7 February 2020 10:55 CET | Update | https://www.mdpi.com/2072-6643/8/7/399 |
| article html file updated | 5 May 2019 11:34 CEST | Update | - |
| article html file updated | 27 March 2019 08:49 CET | Update | - |
| article html file updated | 28 July 2016 09:19 CEST | Update | - |
| article html file updated | 28 June 2016 12:51 CEST | Original file | - |
| article xml uploaded. | 28 June 2016 12:50 CEST | Original file | https://www.mdpi.com/2072-6643/8/7/399/xml |
| article pdf uploaded. | 28 June 2016 12:50 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/7/399/pdf |
