| article html file updated | 8 February 2020 04:03 CET | Update | https://www.mdpi.com/2078-2489/8/2/46 |
| article html file updated | 24 September 2019 10:31 CEST | Update | - |
| article html file updated | 4 May 2019 01:20 CEST | Update | - |
| article html file updated | 28 June 2017 13:47 CEST | Update | - |
| article html file updated | 20 April 2017 15:18 CEST | Original file | - |
| article xml uploaded. | 20 April 2017 15:16 CEST | Original file | https://www.mdpi.com/2078-2489/8/2/46/xml |
| article pdf uploaded. | 20 April 2017 15:16 CEST | Version of Record | https://www.mdpi.com/2078-2489/8/2/46/pdf |
