| article html file updated | 12 February 2020 20:03 CET | Update | https://www.mdpi.com/2413-8851/3/2/64 |
| article html file updated | 21 June 2019 05:51 CEST | Update | - |
| article pdf uploaded. | 21 June 2019 05:50 CEST | Updated version of record | https://www.mdpi.com/2413-8851/3/2/64/pdf |
| article xml uploaded. | 21 June 2019 05:50 CEST | Update | https://www.mdpi.com/2413-8851/3/2/64/xml |
| article xml file uploaded | 21 June 2019 05:50 CEST | Update | - |
| article html file updated | 16 June 2019 11:26 CEST | Original file | - |
| article pdf uploaded. | 16 June 2019 11:25 CEST | Version of Record | https://www.mdpi.com/2413-8851/3/2/64/pdf-vor |
| article xml file uploaded | 16 June 2019 11:25 CEST | Original file | - |
