| article html file updated | 8 February 2020 22:00 CET | Update | https://www.mdpi.com/2075-4701/7/12/519 |
| article html file updated | 28 September 2019 16:44 CEST | Update | N/A |
| article html file updated | 2 May 2019 13:11 CEST | Update | N/A |
| article html file updated | 18 April 2019 10:50 CEST | Update | N/A |
| article html file updated | 2 January 2018 17:18 CET | Update | N/A |
| article html file updated | 24 November 2017 07:14 CET | Original file | N/A |
| article xml uploaded. | 24 November 2017 07:12 CET | Update | https://www.mdpi.com/2075-4701/7/12/519/xml |
| article xml uploaded. | 24 November 2017 07:12 CET | Original file | N/A |
| article pdf uploaded. | 24 November 2017 07:12 CET | Updated version of record | https://www.mdpi.com/2075-4701/7/12/519/pdf |
| article pdf uploaded. | 23 November 2017 11:54 CET | Version of Record | https://www.mdpi.com/2075-4701/7/12/519/pdf-vor |
