| article html file updated | 7 February 2020 21:11 CET | Update | https://www.mdpi.com/2410-3896/2/1/5 |
| article html file updated | 4 May 2019 15:56 CEST | Update | N/A |
| article html file updated | 27 October 2017 09:00 CEST | Update | N/A |
| article html file updated | 11 January 2017 09:21 CET | Original file | N/A |
| article xml uploaded. | 11 January 2017 09:20 CET | Original file | https://www.mdpi.com/2410-3896/2/1/5/xml |
| article pdf uploaded. | 11 January 2017 09:20 CET | Version of Record | https://www.mdpi.com/2410-3896/2/1/5/pdf |
