| article html file updated | 9 February 2020 00:27 CET | Update | https://www.mdpi.com/2079-4991/7/12/457 |
| article html file updated | 29 September 2019 07:25 CEST | Update | N/A |
| article html file updated | 2 May 2019 07:45 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:35 CEST | Update | N/A |
| article html file updated | 2 January 2018 15:05 CET | Update | N/A |
| article html file updated | 20 December 2017 23:21 CET | Update | N/A |
| article xml uploaded. | 20 December 2017 03:39 CET | Update | https://www.mdpi.com/2079-4991/7/12/457/xml |
| article xml uploaded. | 20 December 2017 03:39 CET | Update | N/A |
| article pdf uploaded. | 20 December 2017 03:39 CET | Updated version of record | https://www.mdpi.com/2079-4991/7/12/457/pdf |
| article html file updated | 18 December 2017 17:56 CET | Original file | N/A |
| article xml uploaded. | 18 December 2017 17:55 CET | Update | N/A |
| article xml uploaded. | 18 December 2017 17:55 CET | Original file | N/A |
| article pdf uploaded. | 18 December 2017 17:55 CET | Version of Record | https://www.mdpi.com/2079-4991/7/12/457/pdf-vor |
