| article html file updated | 30 August 2025 11:51 CEST | Update | https://www.mdpi.com/2079-6412/9/2/104 | 
| article html file updated | 18 July 2022 05:35 CEST | Update | - | 
| article html file updated | 11 February 2020 14:35 CET | Update | - | 
| article html file updated | 14 October 2019 16:18 CEST | Update | - | 
| article html file updated | 26 April 2019 19:35 CEST | Update | - | 
| article html file updated | 12 April 2019 15:29 CEST | Update | - | 
| article html file updated | 3 April 2019 17:05 CEST | Update | - | 
| article html file updated | 1 March 2019 13:27 CET | Update | - | 
| article html file updated | 28 February 2019 17:52 CET | Update | - | 
| article html file updated | 21 February 2019 10:22 CET | Update | - | 
| article pdf uploaded. | 21 February 2019 10:18 CET | Updated version of record | https://www.mdpi.com/2079-6412/9/2/104/pdf | 
| article xml uploaded. | 21 February 2019 10:18 CET | Update | https://www.mdpi.com/2079-6412/9/2/104/xml | 
| article xml file uploaded | 21 February 2019 10:18 CET | Update | - | 
| article html file updated | 8 February 2019 14:21 CET | Original file | - | 
| article pdf uploaded. | 8 February 2019 14:18 CET | Version of Record | https://www.mdpi.com/2079-6412/9/2/104/pdf-vor | 
| article xml uploaded. | 8 February 2019 14:18 CET | Update | - | 
| article xml file uploaded | 8 February 2019 14:18 CET | Original file | - |