| article html file updated | 7 February 2020 20:18 CET | Update | https://www.mdpi.com/2072-4292/9/1/8 |
| article html file updated | 22 September 2019 15:09 CEST | Update | - |
| article html file updated | 4 May 2019 17:50 CEST | Update | - |
| article html file updated | 8 February 2017 10:12 CET | Update | - |
| article html file updated | 26 December 2016 12:47 CET | Original file | - |
| article xml uploaded. | 26 December 2016 12:46 CET | Original file | https://www.mdpi.com/2072-4292/9/1/8/xml |
| article pdf uploaded. | 26 December 2016 12:46 CET | Updated version of record | https://www.mdpi.com/2072-4292/9/1/8/pdf |
| article pdf uploaded. | 25 December 2016 10:09 CET | Version of Record | https://www.mdpi.com/2072-4292/9/1/8/pdf-vor |
