| article html file updated | 9 February 2020 00:17 CET | Update | https://www.mdpi.com/2075-4450/8/4/129 |
| article html file updated | 29 September 2019 06:27 CEST | Update | N/A |
| article html file updated | 2 May 2019 08:07 CEST | Update | N/A |
| article html file updated | 18 April 2019 05:55 CEST | Update | N/A |
| article html file updated | 2 January 2018 12:38 CET | Update | N/A |
| article html file updated | 16 December 2017 09:17 CET | Original file | N/A |
| article xml uploaded. | 16 December 2017 09:16 CET | Original file | https://www.mdpi.com/2075-4450/8/4/129/xml |
| article pdf uploaded. | 16 December 2017 09:16 CET | Version of Record | https://www.mdpi.com/2075-4450/8/4/129/pdf |
