| article html file updated | 12 February 2020 02:16 CET | Update | https://www.mdpi.com/2311-5521/4/2/62 |
| article html file updated | 17 October 2019 13:45 CEST | Update | N/A |
| article html file updated | 5 July 2019 06:34 CEST | Update | N/A |
| article html file updated | 29 April 2019 12:24 CEST | Original file | N/A |
| article pdf uploaded. | 29 April 2019 12:22 CEST | Updated version of record | https://www.mdpi.com/2311-5521/4/2/62/pdf |
| article xml uploaded. | 29 April 2019 12:22 CEST | Update | https://www.mdpi.com/2311-5521/4/2/62/xml |
| article xml file uploaded | 29 April 2019 12:22 CEST | Update | N/A |
| article pdf uploaded. | 1 April 2019 15:48 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/2/62/pdf-vor |
| article xml file uploaded | 1 April 2019 15:48 CEST | Original file | N/A |
