| article html file updated | 8 February 2020 07:10 CET | Update | https://www.mdpi.com/2076-3263/7/2/39 |
| article html file updated | 25 September 2019 02:42 CEST | Update | - |
| article html file updated | 3 May 2019 19:33 CEST | Update | - |
| article html file updated | 25 July 2017 10:29 CEST | Update | - |
| article html file updated | 22 June 2017 11:39 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 10:43 CEST | Update | https://www.mdpi.com/2076-3263/7/2/39/xml |
| article pdf uploaded. | 22 June 2017 10:43 CEST | Updated version of record | https://www.mdpi.com/2076-3263/7/2/39/pdf |
| article pdf uploaded. | 6 June 2017 15:48 CEST | Updated version of record | https://www.mdpi.com/2076-3263/7/2/39/pdf-vor |
| article pdf uploaded. | 6 June 2017 10:55 CEST | Updated version of record | https://www.mdpi.com/2076-3263/7/2/39/pdf-vor |
| article pdf uploaded. | 6 June 2017 10:31 CEST | Updated version of record | https://www.mdpi.com/2076-3263/7/2/39/pdf-vor |
| article pdf uploaded. | 1 June 2017 10:47 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/2/39/pdf-vor |