| article html file updated | 11 February 2020 17:46 CET | Update | https://www.mdpi.com/2227-9067/6/2/32 |
| article html file updated | 15 October 2019 10:27 CEST | Update | N/A |
| article html file updated | 26 April 2019 13:07 CEST | Update | N/A |
| article html file updated | 12 April 2019 08:38 CEST | Update | N/A |
| article html file updated | 4 April 2019 01:10 CEST | Update | N/A |
| article html file updated | 1 March 2019 09:06 CET | Update | N/A |
| article html file updated | 26 February 2019 03:04 CET | Original file | N/A |
| article pdf uploaded. | 25 February 2019 10:21 CET | Updated version of record | https://www.mdpi.com/2227-9067/6/2/32/pdf |
| article xml uploaded. | 25 February 2019 10:21 CET | Update | https://www.mdpi.com/2227-9067/6/2/32/xml |
| article xml file uploaded | 25 February 2019 10:21 CET | Update | N/A |
| article pdf uploaded. | 21 February 2019 14:53 CET | Version of Record | https://www.mdpi.com/2227-9067/6/2/32/pdf-vor |
| article xml file uploaded | 21 February 2019 14:53 CET | Original file | N/A |