| article html file updated | 8 February 2020 02:30 CET | Update | https://www.mdpi.com/2072-4292/9/4/324 |
| article html file updated | 24 September 2019 01:42 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:28 CEST | Update | N/A |
| article html file updated | 29 April 2017 05:44 CEST | Update | N/A |
| article html file updated | 31 March 2017 05:20 CEST | Original file | N/A |
| article xml uploaded. | 31 March 2017 05:19 CEST | Update | https://www.mdpi.com/2072-4292/9/4/324/xml |
| article pdf uploaded. | 31 March 2017 05:19 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/4/324/pdf |
| article pdf uploaded. | 29 March 2017 14:54 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/4/324/pdf-vor |
