| article html file updated | 8 February 2020 07:49 CET | Update | https://www.mdpi.com/2227-7102/7/2/62 |
| article html file updated | 25 September 2019 06:04 CEST | Update | - |
| article html file updated | 3 May 2019 18:19 CEST | Update | - |
| article html file updated | 27 October 2017 09:58 CEST | Update | - |
| article html file updated | 9 June 2017 09:03 CEST | Update | - |
| article xml uploaded. | 9 June 2017 09:01 CEST | Update | https://www.mdpi.com/2227-7102/7/2/62/xml |
| article pdf uploaded. | 9 June 2017 09:01 CEST | Updated version of record | https://www.mdpi.com/2227-7102/7/2/62/pdf |
| article html file updated | 8 June 2017 15:19 CEST | Original file | - |
| article pdf uploaded. | 8 June 2017 15:18 CEST | Version of Record | https://www.mdpi.com/2227-7102/7/2/62/pdf-vor |
