| article html file updated | 30 August 2025 12:47 CEST | Update | https://www.mdpi.com/2223-7747/8/3/57 | 
| article html file updated | 19 July 2022 16:06 CEST | Update | - | 
| article html file updated | 11 February 2020 20:57 CET | Update | - | 
| article html file updated | 16 October 2019 07:09 CEST | Update | - | 
| article html file updated | 26 April 2019 05:52 CEST | Update | - | 
| article html file updated | 12 April 2019 01:03 CEST | Update | - | 
| article html file updated | 4 April 2019 09:52 CEST | Update | - | 
| article html file updated | 2 April 2019 04:53 CEST | Update | - | 
| article html file updated | 8 March 2019 10:32 CET | Original file | - | 
| article supplementary file uploaded. | 8 March 2019 10:30 CET | - | https://www.mdpi.com/2223-7747/8/3/57#supplementary | 
| article pdf uploaded. | 8 March 2019 10:30 CET | Version of Record | https://www.mdpi.com/2223-7747/8/3/57/pdf | 
| article xml uploaded. | 8 March 2019 10:30 CET | Update | https://www.mdpi.com/2223-7747/8/3/57/xml | 
| article xml file uploaded | 8 March 2019 10:30 CET | Original file | - |