| article html file updated | 11 February 2020 09:22 CET | Update | https://www.mdpi.com/2077-1444/10/1/56 | 
| article html file updated | 27 April 2019 05:40 CEST | Update | - | 
| article html file updated | 13 April 2019 01:46 CEST | Update | - | 
| article html file updated | 3 April 2019 04:33 CEST | Update | - | 
| article html file updated | 29 January 2019 11:19 CET | Update | - | 
| article html file updated | 17 January 2019 01:27 CET | Original file | - | 
| article pdf uploaded. | 16 January 2019 10:47 CET | Version of Record | https://www.mdpi.com/2077-1444/10/1/56/pdf | 
| article xml uploaded. | 16 January 2019 10:47 CET | Update | https://www.mdpi.com/2077-1444/10/1/56/xml | 
| article xml file uploaded | 16 January 2019 10:47 CET | Original file | - |