| article html file updated | 8 February 2020 06:31 CET | Update | https://www.mdpi.com/2225-1154/5/2/38 |
| article html file updated | 24 September 2019 23:24 CEST | Update | - |
| article html file updated | 3 May 2019 20:45 CEST | Update | - |
| article html file updated | 28 June 2017 12:55 CEST | Update | - |
| article html file updated | 24 May 2017 08:15 CEST | Update | - |
| article xml uploaded. | 24 May 2017 08:13 CEST | Update | https://www.mdpi.com/2225-1154/5/2/38/xml |
| article pdf uploaded. | 24 May 2017 08:13 CEST | Updated version of record | https://www.mdpi.com/2225-1154/5/2/38/pdf |
| article html file updated | 23 May 2017 16:32 CEST | Original file | - |
| article pdf uploaded. | 23 May 2017 16:30 CEST | Version of Record | https://www.mdpi.com/2225-1154/5/2/38/pdf-vor |
