| article html file updated | 7 February 2020 14:45 CET | Update | https://www.mdpi.com/1422-0067/17/9/1517 |
| article html file updated | 5 May 2019 04:31 CEST | Update | - |
| article html file updated | 27 September 2016 06:16 CEST | Update | - |
| article html file updated | 13 September 2016 12:54 CEST | Update | - |
| article xml uploaded. | 13 September 2016 12:53 CEST | Update | https://www.mdpi.com/1422-0067/17/9/1517/xml |
| article xml uploaded. | 13 September 2016 12:53 CEST | Update | - |
| article xml uploaded. | 13 September 2016 12:53 CEST | Update | - |
| article pdf uploaded. | 13 September 2016 12:53 CEST | Updated version of record | https://www.mdpi.com/1422-0067/17/9/1517/pdf |
| article html file updated | 9 September 2016 15:20 CEST | Original file | - |
| article xml uploaded. | 9 September 2016 15:19 CEST | Update | - |
| article xml uploaded. | 9 September 2016 15:19 CEST | Update | - |
| article xml uploaded. | 9 September 2016 15:19 CEST | Original file | - |
| article pdf uploaded. | 9 September 2016 15:19 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1517/pdf-vor |
