| article html file updated | 11 February 2020 01:24 CET | Update | https://www.mdpi.com/2504-5377/2/4/68 |
| article html file updated | 11 October 2019 12:22 CEST | Update | N/A |
| article html file updated | 27 April 2019 23:21 CEST | Update | N/A |
| article html file updated | 13 April 2019 19:14 CEST | Update | N/A |
| article html file updated | 2 April 2019 08:13 CEST | Update | N/A |
| article html file updated | 30 December 2018 02:02 CET | Update | N/A |
| article html file updated | 5 December 2018 14:13 CET | Original file | N/A |
| article pdf uploaded. | 5 December 2018 14:12 CET | Version of Record | https://www.mdpi.com/2504-5377/2/4/68/pdf |
| article xml uploaded. | 5 December 2018 14:12 CET | Update | https://www.mdpi.com/2504-5377/2/4/68/xml |
| article xml file uploaded | 5 December 2018 14:12 CET | Original file | N/A |
