| article html file updated | 30 August 2025 12:07 CEST | Update | https://www.mdpi.com/2075-4442/7/2/18 | 
| article html file updated | 19 July 2022 07:20 CEST | Update | - | 
| article html file updated | 11 February 2020 16:48 CET | Update | - | 
| article html file updated | 15 October 2019 04:23 CEST | Update | - | 
| article html file updated | 26 April 2019 15:12 CEST | Update | - | 
| article html file updated | 12 April 2019 10:53 CEST | Update | - | 
| article html file updated | 3 April 2019 22:28 CEST | Update | - | 
| article html file updated | 1 March 2019 18:38 CET | Update | - | 
| article html file updated | 1 March 2019 04:11 CET | Update | - | 
| article html file updated | 18 February 2019 10:22 CET | Original file | - | 
| article pdf uploaded. | 18 February 2019 10:20 CET | Version of Record | https://www.mdpi.com/2075-4442/7/2/18/pdf | 
| article xml uploaded. | 18 February 2019 10:20 CET | Update | https://www.mdpi.com/2075-4442/7/2/18/xml | 
| article xml file uploaded | 18 February 2019 10:20 CET | Original file | - |