| article html file updated | 7 February 2020 16:01 CET | Update | https://www.mdpi.com/1660-4601/13/10/991 |
| article html file updated | 5 May 2019 02:15 CEST | Update | - |
| article html file updated | 31 October 2016 07:01 CET | Update | - |
| article html file updated | 12 October 2016 08:05 CEST | Original file | - |
| article xml uploaded. | 12 October 2016 08:04 CEST | Original file | https://www.mdpi.com/1660-4601/13/10/991/xml |
| article pdf uploaded. | 12 October 2016 08:04 CEST | Updated version of record | https://www.mdpi.com/1660-4601/13/10/991/pdf |
| article pdf uploaded. | 10 October 2016 09:51 CEST | Updated version of record | https://www.mdpi.com/1660-4601/13/10/991/pdf-vor |
| article pdf uploaded. | 7 October 2016 15:47 CEST | Version of Record | https://www.mdpi.com/1660-4601/13/10/991/pdf-vor |
