| article html file updated | 7 February 2020 09:54 CET | Update | https://www.mdpi.com/2072-6643/8/6/352 |
| article html file updated | 21 September 2019 18:40 CEST | Update | - |
| article html file updated | 5 May 2019 13:28 CEST | Update | - |
| article html file updated | 27 March 2019 06:59 CET | Update | - |
| article html file updated | 29 June 2016 03:12 CEST | Update | - |
| article html file updated | 8 June 2016 09:35 CEST | Original file | - |
| article xml uploaded. | 8 June 2016 09:34 CEST | Original file | https://www.mdpi.com/2072-6643/8/6/352/xml |
| article pdf uploaded. | 8 June 2016 09:34 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/6/352/pdf |
