| article html file updated | 10 February 2020 07:05 CET | Update | https://www.mdpi.com/2076-3271/6/3/67 |
| article html file updated | 6 October 2019 22:58 CEST | Update | - |
| article html file updated | 29 April 2019 14:03 CEST | Update | - |
| article html file updated | 15 April 2019 09:32 CEST | Update | - |
| article html file updated | 31 March 2019 10:44 CEST | Update | - |
| article html file updated | 26 September 2018 12:35 CEST | Update | - |
| article html file updated | 22 August 2018 14:20 CEST | Original file | - |
| article pdf uploaded. | 22 August 2018 14:19 CEST | Version of Record | https://www.mdpi.com/2076-3271/6/3/67/pdf |
| article xml uploaded. | 22 August 2018 14:19 CEST | Update | https://www.mdpi.com/2076-3271/6/3/67/xml |
| article xml file uploaded | 22 August 2018 14:19 CEST | Original file | - |
