| article html file updated | 12 February 2020 16:57 CET | Update | https://www.mdpi.com/2311-5521/4/2/102 |
| article html file updated | 21 October 2019 04:11 CEST | Update | N/A |
| article html file updated | 5 July 2019 06:46 CEST | Update | N/A |
| article html file updated | 26 June 2019 11:51 CEST | Original file | N/A |
| article pdf uploaded. | 26 June 2019 11:49 CEST | Updated version of record | https://www.mdpi.com/2311-5521/4/2/102/pdf |
| article xml uploaded. | 26 June 2019 11:49 CEST | Update | https://www.mdpi.com/2311-5521/4/2/102/xml |
| article xml file uploaded | 26 June 2019 11:49 CEST | Update | N/A |
| article pdf uploaded. | 1 June 2019 10:38 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/2/102/pdf-vor |
| article xml file uploaded | 1 June 2019 10:38 CEST | Original file | N/A |
