| article html file updated | 7 February 2020 21:35 CET | Update | https://www.mdpi.com/2073-4360/9/1/26 |
| article html file updated | 22 September 2019 22:05 CEST | Update | N/A |
| article html file updated | 4 May 2019 14:57 CEST | Update | N/A |
| article html file updated | 18 March 2019 05:55 CET | Update | N/A |
| article html file updated | 7 February 2017 10:31 CET | Update | N/A |
| article html file updated | 17 January 2017 08:55 CET | Original file | N/A |
| article xml uploaded. | 17 January 2017 08:54 CET | Update | https://www.mdpi.com/2073-4360/9/1/26/xml |
| article xml uploaded. | 17 January 2017 08:54 CET | Original file | N/A |
| article pdf uploaded. | 17 January 2017 08:54 CET | Version of Record | https://www.mdpi.com/2073-4360/9/1/26/pdf |
