| article html file updated | 9 February 2020 12:44 CET | Update | https://www.mdpi.com/2077-1312/6/2/37 |
| article html file updated | 2 October 2019 08:07 CEST | Update | - |
| article html file updated | 1 May 2019 05:40 CEST | Update | - |
| article html file updated | 17 April 2019 05:49 CEST | Update | - |
| article html file updated | 29 March 2019 13:11 CET | Update | - |
| article html file updated | 28 June 2018 09:00 CEST | Update | - |
| article html file updated | 6 April 2018 12:37 CEST | Original file | - |
| article xml uploaded. | 6 April 2018 12:35 CEST | Update | https://www.mdpi.com/2077-1312/6/2/37/xml |
| article pdf uploaded. | 6 April 2018 12:35 CEST | Updated version of record | https://www.mdpi.com/2077-1312/6/2/37/pdf |
| article pdf uploaded. | 5 April 2018 18:34 CEST | Version of Record | https://www.mdpi.com/2077-1312/6/2/37/pdf-vor |
