| article html file updated | 9 February 2020 18:30 CET | Update | https://www.mdpi.com/2077-1312/6/2/57 |
| article html file updated | 30 April 2019 17:53 CEST | Update | - |
| article html file updated | 16 April 2019 18:19 CEST | Update | - |
| article html file updated | 30 March 2019 03:11 CET | Update | - |
| article html file updated | 28 June 2018 09:07 CEST | Update | - |
| article html file updated | 22 May 2018 04:40 CEST | Original file | - |
| article pdf uploaded. | 22 May 2018 04:39 CEST | Version of Record | https://www.mdpi.com/2077-1312/6/2/57/pdf |
| article xml uploaded. | 22 May 2018 04:39 CEST | Update | https://www.mdpi.com/2077-1312/6/2/57/xml |
| article xml file uploaded | 22 May 2018 04:39 CEST | Original file | - |
