| article html file updated | 31 August 2025 03:21 CEST | Update | https://www.mdpi.com/1422-0067/20/21/5251 | 
| article html file updated | 20 July 2022 01:05 CEST | Update | - | 
| article html file updated | 14 February 2020 03:13 CET | Update | - | 
| article html file updated | 15 November 2019 15:05 CET | Update | - | 
| article html file updated | 29 October 2019 11:14 CET | Update | - | 
| article pdf uploaded. | 29 October 2019 11:13 CET | Updated version of record | https://www.mdpi.com/1422-0067/20/21/5251/pdf | 
| article xml uploaded. | 29 October 2019 11:13 CET | Update | https://www.mdpi.com/1422-0067/20/21/5251/xml | 
| article xml file uploaded | 29 October 2019 11:13 CET | Update | - | 
| article html file updated | 23 October 2019 13:45 CEST | Original file | - | 
| article pdf uploaded. | 23 October 2019 13:44 CEST | Version of Record | https://www.mdpi.com/1422-0067/20/21/5251/pdf-vor | 
| article xml uploaded. | 23 October 2019 13:44 CEST | Update | - | 
| article xml file uploaded | 23 October 2019 13:44 CEST | Original file | - |