| article html file updated | 9 February 2020 00:39 CET | Update | https://www.mdpi.com/2227-9059/5/4/71 |
| article html file updated | 29 September 2019 08:36 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:19 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:11 CEST | Update | N/A |
| article html file updated | 2 January 2018 16:41 CET | Update | N/A |
| article html file updated | 25 December 2017 09:39 CET | Update | N/A |
| article xml uploaded. | 25 December 2017 09:37 CET | Update | https://www.mdpi.com/2227-9059/5/4/71/xml |
| article pdf uploaded. | 25 December 2017 09:37 CET | Updated version of record | https://www.mdpi.com/2227-9059/5/4/71/pdf |
| article html file updated | 20 December 2017 11:32 CET | Original file | N/A |
| article xml uploaded. | 20 December 2017 11:31 CET | Update | N/A |
| article xml uploaded. | 20 December 2017 11:31 CET | Original file | N/A |
| article pdf uploaded. | 20 December 2017 11:31 CET | Version of Record | https://www.mdpi.com/2227-9059/5/4/71/pdf-vor |
