| article html file updated | 8 February 2020 23:42 CET | Update | https://www.mdpi.com/2077-1312/5/4/58 |
| article html file updated | 29 September 2019 02:59 CEST | Update | - |
| article html file updated | 2 May 2019 09:23 CEST | Update | - |
| article html file updated | 18 April 2019 07:06 CEST | Update | - |
| article html file updated | 2 January 2018 12:54 CET | Update | - |
| article html file updated | 11 December 2017 14:34 CET | Original file | - |
| article xml uploaded. | 11 December 2017 14:32 CET | Update | https://www.mdpi.com/2077-1312/5/4/58/xml |
| article xml uploaded. | 11 December 2017 14:32 CET | Original file | - |
| article pdf uploaded. | 11 December 2017 14:32 CET | Version of Record | https://www.mdpi.com/2077-1312/5/4/58/pdf |
