| article html file updated | 8 February 2020 19:45 CET | Update | https://www.mdpi.com/2076-0760/6/4/130 |
| article html file updated | 28 September 2019 02:10 CEST | Update | - |
| article html file updated | 2 May 2019 18:17 CEST | Update | - |
| article html file updated | 1 November 2017 09:32 CET | Update | - |
| article xml uploaded. | 1 November 2017 09:31 CET | Update | https://www.mdpi.com/2076-0760/6/4/130/xml |
| article pdf uploaded. | 1 November 2017 09:31 CET | Updated version of record | https://www.mdpi.com/2076-0760/6/4/130/pdf |
| article html file updated | 30 October 2017 21:27 CET | Original file | - |
| article xml uploaded. | 30 October 2017 21:25 CET | Original file | - |
| article pdf uploaded. | 30 October 2017 21:25 CET | Updated version of record | https://www.mdpi.com/2076-0760/6/4/130/pdf-vor |
| article pdf uploaded. | 28 October 2017 12:56 CEST | Updated version of record | https://www.mdpi.com/2076-0760/6/4/130/pdf-vor |
| article pdf uploaded. | 28 October 2017 12:52 CEST | Version of Record | https://www.mdpi.com/2076-0760/6/4/130/pdf-vor |