| article html file updated | 30 August 2025 09:10 CEST | Update | https://www.mdpi.com/2624-5175/1/1/9 | 
| article html file updated | 17 July 2022 10:56 CEST | Update | - | 
| article html file updated | 12 August 2020 12:49 CEST | Update | - | 
| article html file updated | 10 February 2020 23:06 CET | Update | - | 
| article html file updated | 10 October 2019 22:25 CEST | Update | - | 
| article html file updated | 28 April 2019 04:02 CEST | Update | - | 
| article html file updated | 14 April 2019 00:10 CEST | Update | - | 
| article html file updated | 2 April 2019 01:50 CEST | Update | - | 
| article html file updated | 19 December 2018 07:29 CET | Update | - | 
| article xml uploaded. | 19 December 2018 07:28 CET | Update | https://www.mdpi.com/2624-5175/1/1/9/xml | 
| article pdf uploaded. | 19 December 2018 07:28 CET | Updated version of record | https://www.mdpi.com/2624-5175/1/1/9/pdf | 
| article html file updated | 23 November 2018 17:01 CET | Original file | - | 
| article pdf uploaded. | 23 November 2018 17:00 CET | Version of Record | https://www.mdpi.com/2624-5175/1/1/9/pdf-vor | 
| article xml uploaded. | 23 November 2018 17:00 CET | Update | - | 
| article xml file uploaded | 23 November 2018 17:00 CET | Original file | - |