| article html file updated | 7 February 2020 19:30 CET | Update | https://www.mdpi.com/2075-1680/5/4/29 |
| article html file updated | 22 September 2019 10:54 CEST | Update | - |
| article html file updated | 4 May 2019 19:28 CEST | Update | - |
| article html file updated | 29 December 2016 04:32 CET | Update | - |
| article html file updated | 14 December 2016 12:24 CET | Update | - |
| article xml uploaded. | 14 December 2016 12:22 CET | Update | https://www.mdpi.com/2075-1680/5/4/29/xml |
| article pdf uploaded. | 14 December 2016 12:22 CET | Updated version of record | https://www.mdpi.com/2075-1680/5/4/29/pdf |
| article html file updated | 13 December 2016 08:17 CET | Original file | - |
| article xml uploaded. | 13 December 2016 08:15 CET | Original file | - |
| article pdf uploaded. | 13 December 2016 08:15 CET | Version of Record | https://www.mdpi.com/2075-1680/5/4/29/pdf-vor |
