| article html file updated | 13 February 2020 15:31 CET | Update | https://www.mdpi.com/1996-1073/12/18/3427 | 
| article html file updated | 25 September 2019 11:20 CEST | Update | - | 
| article html file updated | 25 September 2019 09:52 CEST | Update | - | 
| article html file updated | 10 September 2019 12:20 CEST | Original file | - | 
| article pdf uploaded. | 10 September 2019 12:18 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/18/3427/pdf | 
| article xml uploaded. | 10 September 2019 12:18 CEST | Update | https://www.mdpi.com/1996-1073/12/18/3427/xml | 
| article xml file uploaded | 10 September 2019 12:18 CEST | Update | - | 
| article pdf uploaded. | 5 September 2019 15:48 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/18/3427/pdf-vor | 
| article xml file uploaded | 5 September 2019 15:48 CEST | Original file | - |