| article html file updated | 31 August 2025 17:22 CEST | Update | https://www.mdpi.com/2223-7747/9/4/501 |
| article html file updated | 21 July 2022 01:51 CEST | Update | - |
| article html file updated | 9 May 2020 04:33 CEST | Update | - |
| article html file updated | 23 April 2020 05:58 CEST | Update | - |
| article pdf uploaded. | 23 April 2020 05:56 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/501/pdf |
| article xml uploaded. | 23 April 2020 05:56 CEST | Update | https://www.mdpi.com/2223-7747/9/4/501/xml |
| article xml file uploaded | 23 April 2020 05:56 CEST | Update | - |
| article html file updated | 14 April 2020 13:52 CEST | Original file | - |
| article supplementary file uploaded. | 14 April 2020 13:51 CEST | - | https://www.mdpi.com/2223-7747/9/4/501#supplementary |
| article pdf uploaded. | 14 April 2020 13:51 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/501/pdf-vor |
| article xml file uploaded | 14 April 2020 13:51 CEST | Original file | - |
