| article html file updated | 8 February 2020 09:28 CET | Update | https://www.mdpi.com/2075-4701/7/7/237 |
| article html file updated | 25 September 2019 14:41 CEST | Update | - |
| article html file updated | 3 May 2019 15:13 CEST | Update | - |
| article html file updated | 31 July 2017 08:27 CEST | Update | - |
| article html file updated | 11 July 2017 10:11 CEST | Update | - |
| article xml uploaded. | 11 July 2017 10:10 CEST | Update | https://www.mdpi.com/2075-4701/7/7/237/xml |
| article pdf uploaded. | 11 July 2017 10:10 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/7/237/pdf |
| article html file updated | 28 June 2017 12:14 CEST | Original file | - |
| article pdf uploaded. | 28 June 2017 12:12 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/7/237/pdf-vor |
