| article html file updated | 8 February 2020 13:38 CET | Update | https://www.mdpi.com/2075-471X/6/3/12 |
| article html file updated | 3 May 2019 06:46 CEST | Update | - |
| article html file updated | 27 March 2019 21:01 CET | Update | - |
| article html file updated | 16 August 2017 04:43 CEST | Original file | - |
| article xml uploaded. | 16 August 2017 04:42 CEST | Update | https://www.mdpi.com/2075-471X/6/3/12/xml |
| article xml uploaded. | 16 August 2017 04:42 CEST | Original file | - |
| article pdf uploaded. | 16 August 2017 04:42 CEST | Updated version of record | https://www.mdpi.com/2075-471X/6/3/12/pdf |
| article pdf uploaded. | 15 August 2017 14:36 CEST | Version of Record | https://www.mdpi.com/2075-471X/6/3/12/pdf-vor |
