| article html file updated | 12 February 2020 19:08 CET | Update | https://www.mdpi.com/2311-5521/4/2/108 |
| article html file updated | 21 October 2019 18:08 CEST | Update | N/A |
| article html file updated | 5 July 2019 06:48 CEST | Update | N/A |
| article html file updated | 12 June 2019 11:16 CEST | Original file | N/A |
| article pdf uploaded. | 12 June 2019 11:15 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/2/108/pdf |
| article xml uploaded. | 12 June 2019 11:15 CEST | Update | https://www.mdpi.com/2311-5521/4/2/108/xml |
| article xml file uploaded | 12 June 2019 11:15 CEST | Original file | N/A |
