| article html file updated | 7 February 2020 20:50 CET | Update | https://www.mdpi.com/2076-3417/7/1/47 |
| article html file updated | 22 September 2019 18:09 CEST | Update | - |
| article html file updated | 4 May 2019 16:40 CEST | Update | - |
| article html file updated | 8 February 2017 09:18 CET | Update | - |
| article html file updated | 6 January 2017 10:26 CET | Update | - |
| article xml uploaded. | 6 January 2017 10:24 CET | Update | https://www.mdpi.com/2076-3417/7/1/47/xml |
| article pdf uploaded. | 6 January 2017 10:24 CET | Updated version of record | https://www.mdpi.com/2076-3417/7/1/47/pdf |
| article html file updated | 5 January 2017 12:17 CET | Original file | - |
| article pdf uploaded. | 5 January 2017 12:15 CET | Version of Record | https://www.mdpi.com/2076-3417/7/1/47/pdf-vor |
