| article html file updated | 7 February 2020 15:00 CET | Update | https://www.mdpi.com/2297-8747/21/3/38 |
| article html file updated | 5 May 2019 04:04 CEST | Update | - |
| article html file updated | 15 September 2016 04:54 CEST | Update | - |
| article xml uploaded. | 15 September 2016 04:53 CEST | Update | https://www.mdpi.com/2297-8747/21/3/38/xml |
| article xml uploaded. | 15 September 2016 04:53 CEST | Update | - |
| article pdf uploaded. | 15 September 2016 04:53 CEST | Updated version of record | https://www.mdpi.com/2297-8747/21/3/38/pdf |
| article html file updated | 14 September 2016 11:53 CEST | Original file | - |
| article xml uploaded. | 14 September 2016 11:51 CEST | Update | - |
| article xml uploaded. | 14 September 2016 11:51 CEST | Original file | - |
| article pdf uploaded. | 14 September 2016 11:51 CEST | Version of Record | https://www.mdpi.com/2297-8747/21/3/38/pdf-vor |
