| article html file updated | 8 February 2020 09:05 CET | Update | https://www.mdpi.com/2078-2489/8/3/71 |
| article html file updated | 3 May 2019 15:56 CEST | Update | - |
| article html file updated | 30 September 2017 08:33 CEST | Update | - |
| article html file updated | 26 June 2017 11:26 CEST | Original file | - |
| article xml uploaded. | 26 June 2017 11:25 CEST | Original file | https://www.mdpi.com/2078-2489/8/3/71/xml |
| article pdf uploaded. | 26 June 2017 11:25 CEST | Updated version of record | https://www.mdpi.com/2078-2489/8/3/71/pdf |
| article pdf uploaded. | 23 June 2017 12:01 CEST | Version of Record | https://www.mdpi.com/2078-2489/8/3/71/pdf-vor |
