| article html file updated | 9 February 2020 00:45 CET | Update | https://www.mdpi.com/2079-6382/7/1/2 |
| article html file updated | 29 September 2019 09:08 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:07 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:00 CEST | Update | N/A |
| article html file updated | 27 March 2018 14:21 CEST | Update | N/A |
| article html file updated | 26 December 2017 09:27 CET | Update | N/A |
| article xml uploaded. | 26 December 2017 09:26 CET | Update | https://www.mdpi.com/2079-6382/7/1/2/xml |
| article pdf uploaded. | 26 December 2017 09:26 CET | Updated version of record | https://www.mdpi.com/2079-6382/7/1/2/pdf |
| article html file updated | 21 December 2017 12:50 CET | Original file | N/A |
| article xml uploaded. | 21 December 2017 12:49 CET | Original file | N/A |
| article pdf uploaded. | 21 December 2017 12:49 CET | Version of Record | https://www.mdpi.com/2079-6382/7/1/2/pdf-vor |
