| article html file updated | 8 February 2020 02:42 CET | Update | https://www.mdpi.com/2072-6643/9/4/345 |
| article html file updated | 24 September 2019 02:52 CEST | Update | N/A |
| article html file updated | 4 May 2019 04:02 CEST | Update | N/A |
| article html file updated | 28 April 2017 11:46 CEST | Update | N/A |
| article html file updated | 31 March 2017 13:23 CEST | Original file | N/A |
| article xml uploaded. | 31 March 2017 13:22 CEST | Original file | https://www.mdpi.com/2072-6643/9/4/345/xml |
| article pdf uploaded. | 31 March 2017 13:22 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/4/345/pdf |
