| article html file updated | 8 February 2020 06:02 CET | Update | https://www.mdpi.com/2411-5150/1/2/14 |
| article html file updated | 24 September 2019 20:52 CEST | Update | N/A |
| article html file updated | 3 May 2019 21:41 CEST | Update | N/A |
| article html file updated | 22 May 2017 04:17 CEST | Update | N/A |
| article html file updated | 17 May 2017 12:32 CEST | Original file | N/A |
| article xml uploaded. | 17 May 2017 12:30 CEST | Original file | https://www.mdpi.com/2411-5150/1/2/14/xml |
| article pdf uploaded. | 17 May 2017 12:30 CEST | Version of Record | https://www.mdpi.com/2411-5150/1/2/14/pdf |
