| article html file updated | 7 February 2020 21:15 CET | Update | https://www.mdpi.com/2073-4425/8/1/26 |
| article html file updated | 22 September 2019 20:13 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:48 CEST | Update | N/A |
| article html file updated | 7 February 2017 12:22 CET | Update | N/A |
| article html file updated | 11 January 2017 14:38 CET | Original file | N/A |
| article xml uploaded. | 11 January 2017 14:37 CET | Original file | https://www.mdpi.com/2073-4425/8/1/26/xml |
| article pdf uploaded. | 11 January 2017 14:37 CET | Version of Record | https://www.mdpi.com/2073-4425/8/1/26/pdf |
