| article html file updated | 9 February 2020 06:11 CET | Update | https://www.mdpi.com/2073-4352/8/2/90 |
| article html file updated | 30 September 2019 16:41 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:26 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:37 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:23 CET | Update | N/A |
| article html file updated | 14 March 2018 09:07 CET | Update | N/A |
| article html file updated | 10 February 2018 09:10 CET | Original file | N/A |
| article xml uploaded. | 10 February 2018 09:09 CET | Original file | https://www.mdpi.com/2073-4352/8/2/90/xml |
| article pdf uploaded. | 10 February 2018 09:09 CET | Version of Record | https://www.mdpi.com/2073-4352/8/2/90/pdf |
