| article html file updated | 30 August 2025 21:12 CEST | Update | https://www.mdpi.com/2075-4701/9/6/689 | 
| article html file updated | 20 July 2022 15:31 CEST | Update | - | 
| article html file updated | 12 February 2020 19:57 CET | Update | - | 
| article html file updated | 21 October 2019 23:09 CEST | Update | - | 
| article html file updated | 5 July 2019 20:55 CEST | Update | - | 
| article html file updated | 20 June 2019 07:19 CEST | Original file | - | 
| article pdf uploaded. | 20 June 2019 07:17 CEST | Updated version of record | https://www.mdpi.com/2075-4701/9/6/689/pdf | 
| article xml uploaded. | 20 June 2019 07:17 CEST | Update | https://www.mdpi.com/2075-4701/9/6/689/xml | 
| article xml file uploaded | 20 June 2019 07:17 CEST | Update | - | 
| article pdf uploaded. | 15 June 2019 11:03 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/6/689/pdf-vor | 
| article xml file uploaded | 15 June 2019 11:03 CEST | Original file | - |