| article html file updated | 7 February 2020 23:33 CET | Update | https://www.mdpi.com/2072-4292/9/2/157 |
| article html file updated | 23 September 2019 08:47 CEST | Update | - |
| article html file updated | 4 May 2019 10:56 CEST | Update | - |
| article html file updated | 29 June 2017 13:16 CEST | Update | - |
| article html file updated | 2 March 2017 09:12 CET | Update | - |
| article html file updated | 16 February 2017 12:53 CET | Original file | - |
| article xml uploaded. | 16 February 2017 12:52 CET | Original file | https://www.mdpi.com/2072-4292/9/2/157/xml |
| article pdf uploaded. | 16 February 2017 12:52 CET | Version of Record | https://www.mdpi.com/2072-4292/9/2/157/pdf |
