| article html file updated | 8 February 2020 00:41 CET | Update | https://www.mdpi.com/2078-2489/8/1/28 |
| article html file updated | 4 May 2019 08:26 CEST | Update | - |
| article html file updated | 30 March 2017 03:30 CEST | Update | - |
| article html file updated | 6 March 2017 10:21 CET | Original file | - |
| article xml uploaded. | 6 March 2017 10:20 CET | Original file | https://www.mdpi.com/2078-2489/8/1/28/xml |
| article pdf uploaded. | 6 March 2017 10:20 CET | Updated version of record | https://www.mdpi.com/2078-2489/8/1/28/pdf |
| article pdf uploaded. | 3 March 2017 10:56 CET | Version of Record | https://www.mdpi.com/2078-2489/8/1/28/pdf-vor |
