| article html file updated | 8 February 2020 12:25 CET | Update | https://www.mdpi.com/2306-5729/2/3/23 |
| article html file updated | 26 September 2019 06:32 CEST | Update | - |
| article html file updated | 3 May 2019 09:14 CEST | Update | - |
| article html file updated | 27 March 2019 18:29 CET | Update | - |
| article html file updated | 2 August 2017 12:35 CEST | Original file | - |
| article xml uploaded. | 2 August 2017 12:25 CEST | Original file | https://www.mdpi.com/2306-5729/2/3/23/xml |
| article pdf uploaded. | 2 August 2017 12:25 CEST | Updated version of record | https://www.mdpi.com/2306-5729/2/3/23/pdf |
| article pdf uploaded. | 31 July 2017 14:27 CEST | Version of Record | https://www.mdpi.com/2306-5729/2/3/23/pdf-vor |
