| article html file updated | 8 February 2020 02:37 CET | Update | https://www.mdpi.com/2311-7524/3/2/27 |
| article html file updated | 4 May 2019 04:14 CEST | Update | N/A |
| article html file updated | 30 March 2017 15:00 CEST | Original file | N/A |
| article xml uploaded. | 30 March 2017 14:59 CEST | Original file | https://www.mdpi.com/2311-7524/3/2/27/xml |
| article pdf uploaded. | 30 March 2017 14:59 CEST | Version of Record | https://www.mdpi.com/2311-7524/3/2/27/pdf |
