| article html file updated | 9 February 2020 13:26 CET | Update | https://www.mdpi.com/2311-5629/4/2/22 |
| article html file updated | 2 October 2019 12:33 CEST | Update | N/A |
| article html file updated | 15 August 2019 08:03 CEST | Update | N/A |
| article html file updated | 1 May 2019 04:15 CEST | Update | N/A |
| article html file updated | 17 April 2019 04:33 CEST | Update | N/A |
| article html file updated | 29 March 2019 14:48 CET | Update | N/A |
| article html file updated | 16 April 2018 04:21 CEST | Original file | N/A |
| article xml uploaded. | 16 April 2018 04:20 CEST | Original file | https://www.mdpi.com/2311-5629/4/2/22/xml |
| article pdf uploaded. | 16 April 2018 04:20 CEST | Updated version of record | https://www.mdpi.com/2311-5629/4/2/22/pdf |
| article pdf uploaded. | 11 April 2018 17:08 CEST | Version of Record | https://www.mdpi.com/2311-5629/4/2/22/pdf-vor |
