| article html file updated | 8 February 2020 10:25 CET | Update | https://www.mdpi.com/2411-5142/2/3/23 |
| article html file updated | 3 May 2019 13:28 CEST | Update | - |
| article html file updated | 8 July 2017 12:00 CEST | Original file | - |
| article xml uploaded. | 8 July 2017 11:59 CEST | Original file | https://www.mdpi.com/2411-5142/2/3/23/xml |
| article pdf uploaded. | 8 July 2017 11:59 CEST | Updated version of record | https://www.mdpi.com/2411-5142/2/3/23/pdf |
| article pdf uploaded. | 7 July 2017 15:48 CEST | Version of Record | https://www.mdpi.com/2411-5142/2/3/23/pdf-vor |
