| article html file updated | 8 February 2020 00:14 CET | Update | https://www.mdpi.com/2072-4292/9/3/201 |
| article html file updated | 23 September 2019 12:46 CEST | Update | - |
| article html file updated | 4 May 2019 09:28 CEST | Update | - |
| article html file updated | 28 March 2017 09:12 CEST | Update | - |
| article html file updated | 3 March 2017 07:53 CET | Original file | - |
| article xml uploaded. | 3 March 2017 07:51 CET | Original file | https://www.mdpi.com/2072-4292/9/3/201/xml |
| article pdf uploaded. | 3 March 2017 07:51 CET | Updated version of record | https://www.mdpi.com/2072-4292/9/3/201/pdf |
| article pdf uploaded. | 24 February 2017 15:56 CET | Version of Record | https://www.mdpi.com/2072-4292/9/3/201/pdf-vor |
