| article html file updated | 30 August 2025 10:42 CEST | Update | https://www.mdpi.com/2071-1050/11/1/269 | 
| article html file updated | 20 July 2022 16:23 CEST | Update | - | 
| article html file updated | 11 February 2020 07:13 CET | Update | - | 
| article html file updated | 12 October 2019 23:53 CEST | Update | - | 
| article html file updated | 27 April 2019 10:21 CEST | Update | - | 
| article html file updated | 13 April 2019 06:18 CEST | Update | - | 
| article html file updated | 2 April 2019 23:21 CEST | Update | - | 
| article html file updated | 16 January 2019 09:14 CET | Update | - | 
| article html file updated | 8 January 2019 04:16 CET | Original file | - | 
| article pdf uploaded. | 8 January 2019 04:14 CET | Version of Record | https://www.mdpi.com/2071-1050/11/1/269/pdf | 
| article xml uploaded. | 8 January 2019 04:14 CET | Update | https://www.mdpi.com/2071-1050/11/1/269/xml | 
| article xml file uploaded | 8 January 2019 04:14 CET | Original file | - |