| article html file updated | 31 August 2025 09:19 CEST | Update | https://www.mdpi.com/2218-1997/6/1/16 |
| article html file updated | 20 July 2022 17:50 CEST | Update | - |
| article html file updated | 15 February 2020 04:01 CET | Update | - |
| article html file updated | 22 January 2020 03:16 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 03:15 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/1/16/pdf |
| article xml uploaded. | 22 January 2020 03:15 CET | Update | https://www.mdpi.com/2218-1997/6/1/16/xml |
| article xml file uploaded | 22 January 2020 03:15 CET | Update | - |
| article pdf uploaded. | 18 January 2020 06:04 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/1/16/pdf-vor |
| article xml file uploaded | 18 January 2020 06:04 CET | Update | - |
| article pdf uploaded. | 18 January 2020 06:03 CET | Version of Record | https://www.mdpi.com/2218-1997/6/1/16/pdf-vor |
| article xml file uploaded | 18 January 2020 06:03 CET | Original file | - |
