| article html file updated | 9 February 2020 21:02 CET | Update | https://www.mdpi.com/2077-1312/6/2/71 |
| article html file updated | 4 October 2019 11:41 CEST | Update | - |
| article html file updated | 30 April 2019 11:58 CEST | Update | - |
| article html file updated | 16 April 2019 12:22 CEST | Update | - |
| article html file updated | 16 April 2019 07:06 CEST | Update | - |
| article html file updated | 30 March 2019 09:41 CET | Update | - |
| article html file updated | 28 June 2018 09:12 CEST | Update | - |
| article html file updated | 11 June 2018 11:57 CEST | Original file | - |
| article pdf uploaded. | 11 June 2018 11:55 CEST | Version of Record | https://www.mdpi.com/2077-1312/6/2/71/pdf |
| article xml uploaded. | 11 June 2018 11:55 CEST | Update | https://www.mdpi.com/2077-1312/6/2/71/xml |
| article xml file uploaded | 11 June 2018 11:55 CEST | Original file | - |
