| article html file updated | 7 February 2020 21:19 CET | Update | https://www.mdpi.com/2073-4425/8/1/29 |
| article html file updated | 4 May 2019 15:39 CEST | Update | - |
| article html file updated | 7 February 2017 12:23 CET | Update | - |
| article html file updated | 16 January 2017 12:22 CET | Update | - |
| article xml uploaded. | 16 January 2017 12:21 CET | Update | https://www.mdpi.com/2073-4425/8/1/29/xml |
| article pdf uploaded. | 16 January 2017 12:21 CET | Updated version of record | https://www.mdpi.com/2073-4425/8/1/29/pdf |
| article html file updated | 12 January 2017 11:36 CET | Original file | - |
| article xml uploaded. | 12 January 2017 11:35 CET | Original file | - |
| article pdf uploaded. | 12 January 2017 11:35 CET | Version of Record | https://www.mdpi.com/2073-4425/8/1/29/pdf-vor |
