| article html file updated | 7 February 2020 20:54 CET | Update | https://www.mdpi.com/2072-4292/9/1/42 |
| article html file updated | 22 September 2019 18:28 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:33 CEST | Update | N/A |
| article html file updated | 8 February 2017 10:25 CET | Update | N/A |
| article html file updated | 6 January 2017 09:24 CET | Original file | N/A |
| article xml uploaded. | 6 January 2017 09:22 CET | Original file | https://www.mdpi.com/2072-4292/9/1/42/xml |
| article pdf uploaded. | 6 January 2017 09:22 CET | Version of Record | https://www.mdpi.com/2072-4292/9/1/42/pdf |
