| article html file updated | 9 February 2020 03:01 CET | Update | https://www.mdpi.com/2079-4991/8/1/39 |
| article html file updated | 2 May 2019 02:20 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:35 CEST | Update | N/A |
| article html file updated | 28 March 2019 15:27 CET | Update | N/A |
| article html file updated | 1 February 2018 08:33 CET | Update | N/A |
| article html file updated | 16 January 2018 10:23 CET | Update | N/A |
| article xml uploaded. | 16 January 2018 10:22 CET | Update | https://www.mdpi.com/2079-4991/8/1/39/xml |
| article pdf uploaded. | 16 January 2018 10:22 CET | Updated version of record | https://www.mdpi.com/2079-4991/8/1/39/pdf |
| article html file updated | 13 January 2018 12:49 CET | Original file | N/A |
| article xml uploaded. | 13 January 2018 12:48 CET | Original file | N/A |
| article pdf uploaded. | 13 January 2018 12:48 CET | Version of Record | https://www.mdpi.com/2079-4991/8/1/39/pdf-vor |
