| article html file updated | 7 February 2020 09:00 CET | Update | https://www.mdpi.com/2304-8158/5/2/37 |
| article html file updated | 5 May 2019 15:14 CEST | Update | - |
| article html file updated | 27 March 2019 05:14 CET | Update | - |
| article html file updated | 10 February 2017 03:46 CET | Update | - |
| article html file updated | 5 July 2016 06:37 CEST | Update | - |
| article html file updated | 8 June 2016 10:44 CEST | Update | - |
| article xml uploaded. | 8 June 2016 10:43 CEST | Update | https://www.mdpi.com/2304-8158/5/2/37/xml |
| article pdf uploaded. | 8 June 2016 10:43 CEST | Updated version of record | https://www.mdpi.com/2304-8158/5/2/37/pdf |
| article html file updated | 20 May 2016 10:39 CEST | Original file | - |
| article pdf uploaded. | 20 May 2016 10:38 CEST | Version of Record | https://www.mdpi.com/2304-8158/5/2/37/pdf-vor |
