| article html file updated | 31 August 2025 15:37 CEST | Update | https://www.mdpi.com/2076-3921/9/4/281 |
| article html file updated | 21 July 2022 00:06 CEST | Update | - |
| article html file updated | 8 May 2020 07:27 CEST | Update | - |
| article html file updated | 31 March 2020 17:12 CEST | Original file | - |
| article pdf uploaded. | 31 March 2020 17:11 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/281/pdf |
| article xml uploaded. | 31 March 2020 17:11 CEST | Update | https://www.mdpi.com/2076-3921/9/4/281/xml |
| article xml file uploaded | 31 March 2020 17:11 CEST | Update | - |
| article supplementary file uploaded. | 26 March 2020 17:42 CET | - | https://www.mdpi.com/2076-3921/9/4/281#supplementary |
| article pdf uploaded. | 26 March 2020 17:42 CET | Version of Record | https://www.mdpi.com/2076-3921/9/4/281/pdf-vor |
| article xml file uploaded | 26 March 2020 17:42 CET | Original file | - |
