| article html file updated | 1 September 2025 16:21 CEST | Update | https://www.mdpi.com/2223-7747/9/12/1797 | 
| article html file updated | 23 July 2022 05:46 CEST | Update | - | 
| article html file updated | 21 December 2020 04:39 CET | Update | - | 
| article pdf uploaded. | 21 December 2020 04:37 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/12/1797/pdf | 
| article xml uploaded. | 21 December 2020 04:37 CET | Update | https://www.mdpi.com/2223-7747/9/12/1797/xml | 
| article xml file uploaded | 21 December 2020 04:37 CET | Update | - | 
| article html file updated | 18 December 2020 09:53 CET | Update | - | 
| article html file updated | 18 December 2020 09:46 CET | Original file | - | 
| article pdf uploaded. | 18 December 2020 09:44 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/12/1797/pdf-vor | 
| article xml uploaded. | 18 December 2020 09:44 CET | Update | - | 
| article xml file uploaded | 18 December 2020 09:44 CET | Update | - | 
| article pdf uploaded. | 18 December 2020 09:38 CET | Version of Record | https://www.mdpi.com/2223-7747/9/12/1797/pdf-vor | 
| article xml uploaded. | 18 December 2020 09:38 CET | Update | - | 
| article xml file uploaded | 18 December 2020 09:38 CET | Original file | - |