| article html file updated | 31 August 2025 03:32 CEST | Update | https://www.mdpi.com/2079-9284/6/4/63 |
| article html file updated | 20 July 2022 00:53 CEST | Update | - |
| article html file updated | 14 February 2020 04:08 CET | Update | - |
| article html file updated | 30 October 2019 08:04 CET | Original file | - |
| article pdf uploaded. | 30 October 2019 08:03 CET | Updated version of record | https://www.mdpi.com/2079-9284/6/4/63/pdf |
| article xml uploaded. | 30 October 2019 08:03 CET | Update | https://www.mdpi.com/2079-9284/6/4/63/xml |
| article xml file uploaded | 30 October 2019 08:03 CET | Update | - |
| article pdf uploaded. | 25 October 2019 16:42 CEST | Version of Record | https://www.mdpi.com/2079-9284/6/4/63/pdf-vor |
| article xml file uploaded | 25 October 2019 16:42 CEST | Original file | - |
