| article html file updated | 8 February 2020 04:00 CET | Update | https://www.mdpi.com/2073-4360/9/4/143 |
| article html file updated | 24 September 2019 10:14 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:25 CEST | Update | N/A |
| article html file updated | 18 March 2019 05:36 CET | Update | N/A |
| article html file updated | 28 April 2017 10:39 CEST | Update | N/A |
| article html file updated | 20 April 2017 14:30 CEST | Original file | N/A |
| article xml uploaded. | 20 April 2017 14:29 CEST | Original file | https://www.mdpi.com/2073-4360/9/4/143/xml |
| article pdf uploaded. | 20 April 2017 14:29 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/4/143/pdf |
