| article html file updated | 7 February 2020 20:26 CET | Update | https://www.mdpi.com/1996-1073/10/1/29 |
| article html file updated | 22 September 2019 15:59 CEST | Update | - |
| article html file updated | 4 May 2019 17:32 CEST | Update | - |
| article html file updated | 7 February 2017 09:35 CET | Update | - |
| article html file updated | 3 January 2017 10:13 CET | Update | - |
| article xml uploaded. | 3 January 2017 10:11 CET | Update | https://www.mdpi.com/1996-1073/10/1/29/xml |
| article pdf uploaded. | 3 January 2017 09:47 CET | Updated version of record | https://www.mdpi.com/1996-1073/10/1/29/pdf |
| article html file updated | 28 December 2016 11:06 CET | Original file | - |
| article xml uploaded. | 28 December 2016 11:05 CET | Original file | - |
| article pdf uploaded. | 28 December 2016 11:05 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/29/pdf-vor |
