| article html file updated | 13 February 2020 15:54 CET | Update | https://www.mdpi.com/2227-9717/7/9/604 | 
| article html file updated | 25 September 2019 19:59 CEST | Update | - | 
| article html file updated | 13 September 2019 10:34 CEST | Update | - | 
| article html file updated | 13 September 2019 10:32 CEST | Update | - | 
| article html file updated | 13 September 2019 10:30 CEST | Update | - | 
| article xml uploaded. | 13 September 2019 10:28 CEST | Update | https://www.mdpi.com/2227-9717/7/9/604/xml | 
| article xml uploaded. | 13 September 2019 10:28 CEST | Update | - | 
| article pdf uploaded. | 13 September 2019 10:28 CEST | Updated version of record | https://www.mdpi.com/2227-9717/7/9/604/pdf | 
| article html file updated | 9 September 2019 12:14 CEST | Original file | - | 
| article pdf uploaded. | 9 September 2019 12:13 CEST | Updated version of record | https://www.mdpi.com/2227-9717/7/9/604/pdf-vor | 
| article xml uploaded. | 9 September 2019 12:13 CEST | Update | - | 
| article xml file uploaded | 9 September 2019 12:13 CEST | Update | - | 
| article pdf uploaded. | 6 September 2019 17:18 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/9/604/pdf-vor | 
| article xml file uploaded | 6 September 2019 17:18 CEST | Original file | - |