| article html file updated | 9 February 2020 04:47 CET | Update | https://www.mdpi.com/2075-4450/9/1/12 |
| article html file updated | 30 September 2019 08:09 CEST | Update | - |
| article html file updated | 1 May 2019 22:37 CEST | Update | - |
| article html file updated | 17 April 2019 21:17 CEST | Update | - |
| article html file updated | 28 March 2019 19:20 CET | Update | - |
| article html file updated | 27 March 2018 14:32 CEST | Update | - |
| article html file updated | 30 January 2018 14:38 CET | Original file | - |
| article xml uploaded. | 30 January 2018 14:36 CET | Original file | https://www.mdpi.com/2075-4450/9/1/12/xml |
| article pdf uploaded. | 30 January 2018 14:35 CET | Updated version of record | https://www.mdpi.com/2075-4450/9/1/12/pdf |
| article pdf uploaded. | 29 January 2018 17:41 CET | Version of Record | https://www.mdpi.com/2075-4450/9/1/12/pdf-vor |
