| article html file updated | 9 February 2020 20:13 CET | Update | https://www.mdpi.com/2075-4701/8/6/420 |
| article html file updated | 4 October 2019 06:23 CEST | Update | - |
| article html file updated | 30 April 2019 13:56 CEST | Update | - |
| article html file updated | 16 April 2019 14:34 CEST | Update | - |
| article html file updated | 30 March 2019 07:29 CET | Update | - |
| article html file updated | 27 June 2018 15:31 CEST | Update | - |
| article html file updated | 4 June 2018 15:22 CEST | Original file | - |
| article pdf uploaded. | 4 June 2018 15:20 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/6/420/pdf |
| article xml uploaded. | 4 June 2018 15:20 CEST | Update | https://www.mdpi.com/2075-4701/8/6/420/xml |
| article xml file uploaded | 4 June 2018 15:20 CEST | Original file | - |
