| article html file updated | 31 August 2025 16:36 CEST | Update | https://www.mdpi.com/2220-9964/9/4/218 |
| article html file updated | 21 July 2022 01:06 CEST | Update | - |
| article pdf uploaded. | 9 May 2020 12:50 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/4/218/pdf |
| article html file updated | 26 April 2020 07:42 CEST | Original file | - |
| article pdf uploaded. | 26 April 2020 07:40 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/4/218/pdf-vor |
| article xml uploaded. | 26 April 2020 07:40 CEST | Update | https://www.mdpi.com/2220-9964/9/4/218/xml |
| article xml file uploaded | 26 April 2020 07:40 CEST | Update | - |
| article pdf uploaded. | 6 April 2020 13:07 CEST | Version of Record | https://www.mdpi.com/2220-9964/9/4/218/pdf-vor |
| article xml file uploaded | 6 April 2020 13:07 CEST | Original file | - |
