| article html file updated | 9 February 2020 11:47 CET | Update | https://www.mdpi.com/2073-4425/9/4/187 |
| article html file updated | 2 October 2019 02:31 CEST | Update | N/A |
| article html file updated | 1 May 2019 07:34 CEST | Update | N/A |
| article html file updated | 17 April 2019 07:33 CEST | Update | N/A |
| article html file updated | 29 March 2019 11:03 CET | Update | N/A |
| article html file updated | 1 May 2018 12:11 CEST | Update | N/A |
| article html file updated | 29 March 2018 17:43 CEST | Original file | N/A |
| article xml uploaded. | 29 March 2018 17:42 CEST | Original file | https://www.mdpi.com/2073-4425/9/4/187/xml |
| article pdf uploaded. | 29 March 2018 17:42 CEST | Version of Record | https://www.mdpi.com/2073-4425/9/4/187/pdf |
