| article html file updated | 12 February 2020 16:42 CET | Update | https://www.mdpi.com/2504-5377/3/2/50 |
| article html file updated | 4 July 2019 16:07 CEST | Update | - |
| article html file updated | 31 May 2019 12:47 CEST | Original file | - |
| article pdf uploaded. | 31 May 2019 12:46 CEST | Version of Record | https://www.mdpi.com/2504-5377/3/2/50/pdf |
| article xml uploaded. | 31 May 2019 12:46 CEST | Update | https://www.mdpi.com/2504-5377/3/2/50/xml |
| article xml file uploaded | 31 May 2019 12:46 CEST | Original file | - |
