| article html file updated | 8 February 2020 06:45 CET | Update | https://www.mdpi.com/2225-1154/5/2/39 |
| article html file updated | 25 September 2019 00:36 CEST | Update | - |
| article html file updated | 3 May 2019 20:20 CEST | Update | - |
| article html file updated | 28 June 2017 12:55 CEST | Update | - |
| article html file updated | 25 May 2017 15:27 CEST | Update | - |
| article html file updated | 25 May 2017 15:26 CEST | Update | - |
| article xml uploaded. | 25 May 2017 15:26 CEST | Update | https://www.mdpi.com/2225-1154/5/2/39/xml |
| article pdf uploaded. | 25 May 2017 15:26 CEST | Updated version of record | https://www.mdpi.com/2225-1154/5/2/39/pdf |
| article html file updated | 25 May 2017 15:25 CEST | Original file | - |
| article pdf uploaded. | 25 May 2017 15:24 CEST | Updated version of record | https://www.mdpi.com/2225-1154/5/2/39/pdf-vor |
| article pdf uploaded. | 25 May 2017 15:24 CEST | Version of Record | https://www.mdpi.com/2225-1154/5/2/39/pdf-vor |
