| article html file updated | 14 September 2021 08:56 CEST | Update | https://www.mdpi.com/2409-515X/3/2/15 |
| article html file updated | 14 September 2021 08:56 CEST | Update | - |
| article html file updated | 14 September 2021 08:56 CEST | Update | - |
| article xml uploaded. | 14 September 2021 08:55 CEST | Update | https://www.mdpi.com/2409-515X/3/2/15/xml |
| article html file updated | 21 June 2017 15:38 CEST | Original file | - |
| article pdf uploaded. | 21 June 2017 15:37 CEST | Version of Record | https://www.mdpi.com/2409-515X/3/2/15/pdf |
