| article html file updated | 8 February 2020 12:14 CET | Update | https://www.mdpi.com/2073-8994/9/8/134 |
| article html file updated | 26 September 2019 05:28 CEST | Update | N/A |
| article html file updated | 3 May 2019 09:36 CEST | Update | N/A |
| article html file updated | 27 March 2019 18:07 CET | Update | N/A |
| article html file updated | 30 August 2017 09:49 CEST | Update | N/A |
| article html file updated | 28 July 2017 13:58 CEST | Original file | N/A |
| article xml uploaded. | 28 July 2017 13:57 CEST | Original file | https://www.mdpi.com/2073-8994/9/8/134/xml |
| article pdf uploaded. | 28 July 2017 13:57 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/8/134/pdf |
