| article html file updated | 8 February 2020 21:05 CET | Update | https://www.mdpi.com/2075-4701/7/11/501 |
| article html file updated | 28 September 2019 10:51 CEST | Update | - |
| article html file updated | 2 May 2019 15:14 CEST | Update | - |
| article html file updated | 30 November 2017 10:22 CET | Update | - |
| article html file updated | 16 November 2017 10:46 CET | Original file | - |
| article xml uploaded. | 16 November 2017 10:45 CET | Update | https://www.mdpi.com/2075-4701/7/11/501/xml |
| article xml uploaded. | 16 November 2017 10:45 CET | Original file | - |
| article pdf uploaded. | 16 November 2017 10:45 CET | Updated version of record | https://www.mdpi.com/2075-4701/7/11/501/pdf |
| article pdf uploaded. | 13 November 2017 15:05 CET | Version of Record | https://www.mdpi.com/2075-4701/7/11/501/pdf-vor |
