| article html file updated | 30 August 2025 12:22 CEST | Update | https://www.mdpi.com/2079-4991/9/2/311 | 
| article html file updated | 19 July 2022 15:35 CEST | Update | - | 
| article html file updated | 11 February 2020 18:24 CET | Update | - | 
| article html file updated | 15 October 2019 14:39 CEST | Update | - | 
| article html file updated | 26 April 2019 11:42 CEST | Update | - | 
| article html file updated | 12 April 2019 07:11 CEST | Update | - | 
| article html file updated | 4 April 2019 03:04 CEST | Update | - | 
| article html file updated | 4 March 2019 14:24 CET | Update | - | 
| article html file updated | 1 March 2019 12:28 CET | Update | - | 
| article html file updated | 26 February 2019 03:18 CET | Original file | - | 
| article pdf uploaded. | 25 February 2019 11:31 CET | Version of Record | https://www.mdpi.com/2079-4991/9/2/311/pdf | 
| article xml uploaded. | 25 February 2019 11:31 CET | Update | https://www.mdpi.com/2079-4991/9/2/311/xml | 
| article xml file uploaded | 25 February 2019 11:31 CET | Original file | - |