| article html file updated | 7 February 2020 21:26 CET | Update | https://www.mdpi.com/2072-4292/9/1/72 |
| article html file updated | 22 September 2019 21:09 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:23 CEST | Update | N/A |
| article html file updated | 8 February 2017 10:33 CET | Update | N/A |
| article html file updated | 13 January 2017 13:29 CET | Original file | N/A |
| article xml uploaded. | 13 January 2017 13:27 CET | Original file | https://www.mdpi.com/2072-4292/9/1/72/xml |
| article pdf uploaded. | 13 January 2017 13:27 CET | Version of Record | https://www.mdpi.com/2072-4292/9/1/72/pdf |
