| article html file updated | 9 February 2020 18:22 CET | Update | https://www.mdpi.com/2227-7099/6/2/32 |
| article html file updated | 30 April 2019 18:10 CEST | Update | N/A |
| article html file updated | 16 April 2019 18:37 CEST | Update | N/A |
| article html file updated | 30 March 2019 02:50 CET | Update | N/A |
| article html file updated | 28 June 2018 08:46 CEST | Update | N/A |
| article html file updated | 24 May 2018 10:23 CEST | Update | N/A |
| article xml uploaded. | 24 May 2018 10:22 CEST | Update | https://www.mdpi.com/2227-7099/6/2/32/xml |
| article pdf uploaded. | 24 May 2018 10:22 CEST | Updated version of record | https://www.mdpi.com/2227-7099/6/2/32/pdf |
| article html file updated | 21 May 2018 06:15 CEST | Original file | N/A |
| article pdf uploaded. | 21 May 2018 06:14 CEST | Version of Record | https://www.mdpi.com/2227-7099/6/2/32/pdf-vor |
| article xml file uploaded | 21 May 2018 06:14 CEST | Original file | N/A |