| article html file updated | 7 February 2020 04:02 CET | Update | https://www.mdpi.com/2073-4360/8/2/22 |
| article html file updated | 21 September 2019 10:37 CEST | Update | N/A |
| article html file updated | 6 May 2019 01:26 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:39 CET | Update | N/A |
| article html file updated | 15 March 2019 11:38 CET | Original file | N/A |
| article pdf uploaded. | 29 January 2016 09:24 CET | Version of Record | https://www.mdpi.com/2073-4360/8/2/22/pdf |
| article xml uploaded. | 29 January 2016 09:24 CET | Original file | https://www.mdpi.com/2073-4360/8/2/22/xml |
