| article html file updated | 31 August 2025 01:07 CEST | Update | https://www.mdpi.com/2226-471X/4/3/70 |
| article html file updated | 20 July 2022 03:48 CEST | Update | - |
| article html file updated | 13 February 2020 16:03 CET | Update | - |
| article html file updated | 9 September 2019 04:34 CEST | Original file | - |
| article pdf uploaded. | 9 September 2019 04:33 CEST | Updated version of record | https://www.mdpi.com/2226-471X/4/3/70/pdf |
| article xml uploaded. | 9 September 2019 04:33 CEST | Update | https://www.mdpi.com/2226-471X/4/3/70/xml |
| article xml file uploaded | 9 September 2019 04:33 CEST | Update | - |
| article pdf uploaded. | 7 September 2019 14:15 CEST | Updated version of record | https://www.mdpi.com/2226-471X/4/3/70/pdf-vor |
| article xml file uploaded | 7 September 2019 14:15 CEST | Update | - |
| article pdf uploaded. | 7 September 2019 14:15 CEST | Version of Record | https://www.mdpi.com/2226-471X/4/3/70/pdf-vor |
| article xml file uploaded | 7 September 2019 14:15 CEST | Original file | - |
