| article html file updated | 8 February 2020 12:50 CET | Update | https://www.mdpi.com/2411-5142/2/3/28 |
| article html file updated | 26 September 2019 09:03 CEST | Update | - |
| article html file updated | 3 May 2019 08:21 CEST | Update | - |
| article html file updated | 27 March 2019 19:22 CET | Update | - |
| article html file updated | 4 August 2017 16:19 CEST | Original file | - |
| article xml uploaded. | 4 August 2017 16:18 CEST | Original file | https://www.mdpi.com/2411-5142/2/3/28/xml |
| article pdf uploaded. | 4 August 2017 16:18 CEST | Version of Record | https://www.mdpi.com/2411-5142/2/3/28/pdf |
