| article html file updated | 31 August 2025 06:15 CEST | Update | https://www.mdpi.com/2218-1989/9/12/300 |
| article html file updated | 19 July 2022 21:59 CEST | Update | - |
| article html file updated | 14 February 2020 17:37 CET | Update | - |
| article html file updated | 31 December 2019 22:47 CET | Update | - |
| article html file updated | 13 December 2019 10:37 CET | Update | - |
| article pdf uploaded. | 13 December 2019 10:36 CET | Updated version of record | https://www.mdpi.com/2218-1989/9/12/300/pdf |
| article xml uploaded. | 13 December 2019 10:36 CET | Update | https://www.mdpi.com/2218-1989/9/12/300/xml |
| article xml file uploaded | 13 December 2019 10:36 CET | Update | - |
| article html file updated | 11 December 2019 08:37 CET | Original file | - |
| article supplementary file uploaded. | 11 December 2019 08:36 CET | - | https://www.mdpi.com/2218-1989/9/12/300#supplementary |
| article pdf uploaded. | 11 December 2019 08:36 CET | Version of Record | https://www.mdpi.com/2218-1989/9/12/300/pdf-vor |
| article xml uploaded. | 11 December 2019 08:36 CET | Update | - |
| article xml file uploaded | 11 December 2019 08:36 CET | Original file | - |
