| article html file updated | 8 February 2020 21:23 CET | Update | https://www.mdpi.com/2413-8851/1/4/32 |
| article html file updated | 28 September 2019 12:47 CEST | Update | N/A |
| article html file updated | 2 May 2019 14:34 CEST | Update | N/A |
| article html file updated | 18 April 2019 12:13 CEST | Update | N/A |
| article html file updated | 16 November 2017 11:40 CET | Original file | N/A |
| article xml uploaded. | 16 November 2017 11:38 CET | Update | https://www.mdpi.com/2413-8851/1/4/32/xml |
| article xml uploaded. | 16 November 2017 11:38 CET | Original file | N/A |
| article pdf uploaded. | 16 November 2017 11:38 CET | Version of Record | https://www.mdpi.com/2413-8851/1/4/32/pdf |
