| article html file updated | 9 February 2020 18:33 CET | Update | https://www.mdpi.com/2411-5134/3/2/32 |
| article html file updated | 3 October 2019 20:11 CEST | Update | - |
| article html file updated | 30 April 2019 17:48 CEST | Update | - |
| article html file updated | 16 April 2019 18:14 CEST | Update | - |
| article html file updated | 30 March 2019 03:18 CET | Update | - |
| article html file updated | 22 May 2018 10:15 CEST | Original file | - |
| article pdf uploaded. | 22 May 2018 10:13 CEST | Version of Record | https://www.mdpi.com/2411-5134/3/2/32/pdf |
| article xml uploaded. | 22 May 2018 10:13 CEST | Update | https://www.mdpi.com/2411-5134/3/2/32/xml |
| article xml file uploaded | 22 May 2018 10:13 CEST | Original file | - |
