| article html file updated | 8 February 2020 13:16 CET | Update | https://www.mdpi.com/2079-6412/7/8/121 |
| article html file updated | 26 September 2019 11:35 CEST | Update | - |
| article html file updated | 3 May 2019 07:29 CEST | Update | - |
| article html file updated | 27 March 2019 20:16 CET | Update | - |
| article html file updated | 30 August 2017 09:20 CEST | Update | - |
| article html file updated | 10 August 2017 14:28 CEST | Original file | - |
| article xml uploaded. | 10 August 2017 14:27 CEST | Original file | https://www.mdpi.com/2079-6412/7/8/121/xml |
| article pdf uploaded. | 10 August 2017 14:27 CEST | Version of Record | https://www.mdpi.com/2079-6412/7/8/121/pdf |
