| article html file updated | 9 February 2020 01:12 CET | Update | https://www.mdpi.com/2076-0760/7/1/4 |
| article html file updated | 29 September 2019 11:41 CEST | Update | N/A |
| article html file updated | 2 May 2019 06:08 CEST | Update | N/A |
| article html file updated | 18 April 2019 04:06 CEST | Update | N/A |
| article html file updated | 28 March 2019 11:10 CET | Update | N/A |
| article html file updated | 26 December 2017 10:37 CET | Update | N/A |
| article xml uploaded. | 26 December 2017 10:35 CET | Update | https://www.mdpi.com/2076-0760/7/1/4/xml |
| article pdf uploaded. | 26 December 2017 10:35 CET | Updated version of record | https://www.mdpi.com/2076-0760/7/1/4/pdf |
| article html file updated | 25 December 2017 15:44 CET | Original file | N/A |
| article xml uploaded. | 25 December 2017 15:43 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2017 15:43 CET | Version of Record | https://www.mdpi.com/2076-0760/7/1/4/pdf-vor |
