| article html file updated | 11 February 2020 01:51 CET | Update | https://www.mdpi.com/2227-7390/6/12/309 |
| article html file updated | 27 April 2019 22:21 CEST | Update | - |
| article html file updated | 13 April 2019 18:13 CEST | Update | - |
| article html file updated | 2 April 2019 09:34 CEST | Update | - |
| article html file updated | 25 December 2018 05:03 CET | Update | - |
| article html file updated | 11 December 2018 06:51 CET | Update | - |
| article pdf uploaded. | 11 December 2018 06:50 CET | Updated version of record | https://www.mdpi.com/2227-7390/6/12/309/pdf |
| article xml uploaded. | 11 December 2018 06:50 CET | Update | https://www.mdpi.com/2227-7390/6/12/309/xml |
| article xml file uploaded | 11 December 2018 06:50 CET | Update | - |
| article html file updated | 7 December 2018 12:54 CET | Original file | - |
| article pdf uploaded. | 7 December 2018 12:53 CET | Version of Record | https://www.mdpi.com/2227-7390/6/12/309/pdf-vor |
| article xml uploaded. | 7 December 2018 12:53 CET | Update | - |
| article xml file uploaded | 7 December 2018 12:53 CET | Original file | - |
