| article html file updated | 7 February 2020 23:02 CET | Update | https://www.mdpi.com/2072-4292/9/2/144 |
| article html file updated | 23 September 2019 05:59 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:58 CEST | Update | N/A |
| article html file updated | 2 March 2017 08:55 CET | Update | N/A |
| article html file updated | 10 February 2017 11:43 CET | Original file | N/A |
| article xml uploaded. | 10 February 2017 11:42 CET | Original file | https://www.mdpi.com/2072-4292/9/2/144/xml |
| article pdf uploaded. | 10 February 2017 11:42 CET | Updated version of record | https://www.mdpi.com/2072-4292/9/2/144/pdf |
| article pdf uploaded. | 10 February 2017 05:10 CET | Version of Record | N/A |
