| article html file updated | 9 February 2020 17:20 CET | Update | https://www.mdpi.com/2225-1154/6/2/40 |
| article html file updated | 3 October 2019 12:32 CEST | Update | - |
| article html file updated | 30 April 2019 20:25 CEST | Update | - |
| article html file updated | 16 April 2019 20:53 CEST | Update | - |
| article html file updated | 30 March 2019 00:08 CET | Update | - |
| article html file updated | 27 June 2018 20:14 CEST | Update | - |
| article html file updated | 12 May 2018 05:46 CEST | Update | - |
| article xml uploaded. | 12 May 2018 05:45 CEST | Update | https://www.mdpi.com/2225-1154/6/2/40/xml |
| article pdf uploaded. | 12 May 2018 05:45 CEST | Updated version of record | https://www.mdpi.com/2225-1154/6/2/40/pdf |
| article html file updated | 12 May 2018 05:42 CEST | Original file | - |
| article pdf uploaded. | 12 May 2018 05:41 CEST | Version of Record | https://www.mdpi.com/2225-1154/6/2/40/pdf-vor |
| article xml file uploaded | 12 May 2018 05:41 CEST | Original file | - |
