| article html file updated | 30 August 2025 14:03 CEST | Update | https://www.mdpi.com/2223-7747/8/4/100 | 
| article html file updated | 19 July 2022 17:35 CEST | Update | - | 
| article html file updated | 12 February 2020 05:39 CET | Update | - | 
| article html file updated | 18 October 2019 10:23 CEST | Update | - | 
| article html file updated | 8 May 2019 17:49 CEST | Update | - | 
| article html file updated | 25 April 2019 11:01 CEST | Update | - | 
| article html file updated | 16 April 2019 12:08 CEST | Original file | - | 
| article supplementary file uploaded. | 16 April 2019 12:07 CEST | - | https://www.mdpi.com/2223-7747/8/4/100#supplementary | 
| article pdf uploaded. | 16 April 2019 12:07 CEST | Version of Record | https://www.mdpi.com/2223-7747/8/4/100/pdf | 
| article xml uploaded. | 16 April 2019 12:07 CEST | Update | https://www.mdpi.com/2223-7747/8/4/100/xml | 
| article xml file uploaded | 16 April 2019 12:07 CEST | Original file | - |