| article html file updated | 9 February 2020 02:50 CET | Update | https://www.mdpi.com/2310-2861/4/1/8 |
| article html file updated | 29 September 2019 20:42 CEST | Update | - |
| article html file updated | 2 May 2019 02:43 CEST | Update | - |
| article html file updated | 18 April 2019 00:55 CEST | Update | - |
| article html file updated | 28 March 2019 15:02 CET | Update | - |
| article html file updated | 16 January 2018 03:25 CET | Update | - |
| article xml uploaded. | 16 January 2018 03:23 CET | Update | https://www.mdpi.com/2310-2861/4/1/8/xml |
| article xml uploaded. | 16 January 2018 03:23 CET | Update | - |
| article pdf uploaded. | 16 January 2018 03:23 CET | Updated version of record | https://www.mdpi.com/2310-2861/4/1/8/pdf |
| article pdf uploaded. | 12 January 2018 11:33 CET | Updated version of record | https://www.mdpi.com/2310-2861/4/1/8/pdf-vor |
| article html file updated | 12 January 2018 10:00 CET | Original file | - |
| article xml uploaded. | 12 January 2018 09:58 CET | Update | - |
| article xml uploaded. | 12 January 2018 09:58 CET | Original file | - |
| article pdf uploaded. | 12 January 2018 09:58 CET | Version of Record | https://www.mdpi.com/2310-2861/4/1/8/pdf-vor |
