| article html file updated | 1 September 2025 22:27 CEST | Update | https://www.mdpi.com/1999-4907/12/2/254 | 
| article html file updated | 25 July 2022 04:33 CEST | Update | - | 
| article html file updated | 26 February 2021 03:20 CET | Update | - | 
| article pdf uploaded. | 26 February 2021 03:19 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/2/254/pdf | 
| article xml uploaded. | 26 February 2021 03:19 CET | Update | https://www.mdpi.com/1999-4907/12/2/254/xml | 
| article xml file uploaded | 26 February 2021 03:19 CET | Update | - | 
| article html file updated | 26 February 2021 03:06 CET | Update | - | 
| article pdf uploaded. | 26 February 2021 03:05 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/2/254/pdf-vor | 
| article xml uploaded. | 26 February 2021 03:05 CET | Update | - | 
| article xml file uploaded | 26 February 2021 03:05 CET | Update | - | 
| article html file updated | 25 February 2021 08:22 CET | Original file | - | 
| article pdf uploaded. | 25 February 2021 08:21 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/2/254/pdf-vor | 
| article xml uploaded. | 25 February 2021 08:21 CET | Update | - | 
| article xml file uploaded | 25 February 2021 08:21 CET | Original file | - | 
| article pdf uploaded. | 22 February 2021 15:34 CET | Version of Record | https://www.mdpi.com/1999-4907/12/2/254/pdf-vor |