| article html file updated | 7 February 2020 20:29 CET | Update | https://www.mdpi.com/2072-4292/9/1/15 |
| article html file updated | 22 September 2019 16:10 CEST | Update | - |
| article html file updated | 4 May 2019 17:27 CEST | Update | - |
| article html file updated | 8 February 2017 10:15 CET | Update | - |
| article html file updated | 29 December 2016 10:23 CET | Update | - |
| article xml uploaded. | 29 December 2016 10:22 CET | Update | https://www.mdpi.com/2072-4292/9/1/15/xml |
| article pdf uploaded. | 29 December 2016 10:22 CET | Updated version of record | https://www.mdpi.com/2072-4292/9/1/15/pdf |
| article html file updated | 29 December 2016 09:25 CET | Original file | - |
| article xml uploaded. | 29 December 2016 09:24 CET | Original file | - |
| article pdf uploaded. | 29 December 2016 09:24 CET | Version of Record | - |
