| article html file updated | 7 February 2020 22:27 CET | Update | https://www.mdpi.com/2073-4360/9/2/46 |
| article html file updated | 23 September 2019 02:49 CEST | Update | N/A |
| article html file updated | 4 May 2019 13:08 CEST | Update | N/A |
| article html file updated | 20 March 2019 06:33 CET | Update | N/A |
| article html file updated | 1 March 2017 11:12 CET | Update | N/A |
| article html file updated | 6 February 2017 12:34 CET | Original file | N/A |
| article xml uploaded. | 6 February 2017 12:32 CET | Update | https://www.mdpi.com/2073-4360/9/2/46/xml |
| article xml uploaded. | 6 February 2017 12:32 CET | Original file | N/A |
| article pdf uploaded. | 6 February 2017 12:32 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/2/46/pdf |
| article pdf uploaded. | 29 January 2017 05:25 CET | Version of Record | https://www.mdpi.com/2073-4360/9/2/46/pdf-vor |
