| article html file updated | 30 August 2025 10:40 CEST | Update | https://www.mdpi.com/1996-1073/12/1/179 | 
| article html file updated | 17 July 2022 21:35 CEST | Update | - | 
| article html file updated | 11 February 2020 07:05 CET | Update | - | 
| article html file updated | 12 October 2019 23:11 CEST | Update | - | 
| article html file updated | 27 April 2019 10:37 CEST | Update | - | 
| article html file updated | 13 April 2019 06:35 CEST | Update | - | 
| article html file updated | 2 April 2019 23:02 CEST | Update | - | 
| article html file updated | 16 January 2019 08:59 CET | Update | - | 
| article html file updated | 11 January 2019 10:19 CET | Update | - | 
| article pdf uploaded. | 11 January 2019 10:18 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/179/pdf | 
| article xml uploaded. | 11 January 2019 10:18 CET | Update | https://www.mdpi.com/1996-1073/12/1/179/xml | 
| article xml file uploaded | 11 January 2019 10:18 CET | Update | - | 
| article html file updated | 7 January 2019 09:59 CET | Original file | - | 
| article pdf uploaded. | 7 January 2019 09:58 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/179/pdf-vor | 
| article xml file uploaded | 7 January 2019 09:58 CET | Original file | - |