| article html file updated | 7 February 2020 03:10 CET | Update | https://www.mdpi.com/2072-4292/8/1/44 |
| article html file updated | 6 May 2019 03:05 CEST | Update | N/A |
| article html file updated | 26 March 2019 17:55 CET | Original file | N/A |
| article pdf uploaded. | 8 January 2016 08:18 CET | Updated version of record | https://www.mdpi.com/2072-4292/8/1/44/pdf |
| article pdf uploaded. | 7 January 2016 14:05 CET | Version of Record | https://www.mdpi.com/2072-4292/8/1/44/pdf-vor |
| article xml uploaded. | 7 January 2016 14:05 CET | Original file | https://www.mdpi.com/2072-4292/8/1/44/xml |
