| article html file updated | 11 February 2020 04:55 CET | Update | https://www.mdpi.com/2410-390X/3/1/2 |
| article html file updated | 12 October 2019 09:40 CEST | Update | - |
| article html file updated | 27 April 2019 15:31 CEST | Update | - |
| article html file updated | 13 April 2019 11:21 CEST | Update | - |
| article html file updated | 2 April 2019 17:48 CEST | Update | - |
| article html file updated | 23 December 2018 09:09 CET | Original file | - |
| article pdf uploaded. | 23 December 2018 09:08 CET | Version of Record | https://www.mdpi.com/2410-390X/3/1/2/pdf |
| article xml uploaded. | 23 December 2018 09:08 CET | Update | https://www.mdpi.com/2410-390X/3/1/2/xml |
| article xml file uploaded | 23 December 2018 09:08 CET | Original file | - |
