| article html file updated | 8 February 2020 12:22 CET | Update | https://www.mdpi.com/2077-0472/7/8/64 |
| article html file updated | 26 September 2019 06:18 CEST | Update | - |
| article html file updated | 3 May 2019 09:19 CEST | Update | - |
| article html file updated | 27 March 2019 18:24 CET | Update | - |
| article html file updated | 30 August 2017 08:49 CEST | Update | - |
| article html file updated | 1 August 2017 05:57 CEST | Update | - |
| article xml uploaded. | 1 August 2017 05:56 CEST | Update | https://www.mdpi.com/2077-0472/7/8/64/xml |
| article pdf uploaded. | 1 August 2017 05:56 CEST | Updated version of record | https://www.mdpi.com/2077-0472/7/8/64/pdf |
| article html file updated | 30 July 2017 15:51 CEST | Original file | - |
| article pdf uploaded. | 30 July 2017 15:50 CEST | Version of Record | https://www.mdpi.com/2077-0472/7/8/64/pdf-vor |
