| article html file updated | 11 February 2020 09:33 CET | Update | https://www.mdpi.com/2077-1444/10/1/57 | 
| article html file updated | 27 April 2019 05:18 CEST | Update | - | 
| article html file updated | 13 April 2019 01:22 CEST | Update | - | 
| article html file updated | 3 April 2019 04:57 CEST | Update | - | 
| article html file updated | 29 January 2019 11:52 CET | Update | - | 
| article html file updated | 17 January 2019 06:22 CET | Original file | - | 
| article pdf uploaded. | 17 January 2019 06:21 CET | Version of Record | https://www.mdpi.com/2077-1444/10/1/57/pdf | 
| article xml uploaded. | 17 January 2019 06:21 CET | Update | https://www.mdpi.com/2077-1444/10/1/57/xml | 
| article xml file uploaded | 17 January 2019 06:21 CET | Original file | - |