| article html file updated | 6 February 2020 18:25 CET | Update | https://new.mdpi.com/2075-4442/3/2/381 |
| article html file updated | 6 May 2019 20:28 CEST | Update | - |
| article html file updated | 26 March 2019 02:09 CET | Update | - |
| article html file updated | 21 August 2015 11:46 CEST | Update | - |
| article html file updated | 30 June 2015 03:11 CEST | Original file | - |
| article xml file uploaded | 30 June 2015 03:11 CEST | Original file | https://new.mdpi.com/2075-4442/3/2/381/xml |
| article pdf uploaded. | 8 May 2015 09:17 CEST | Updated version of record | https://new.mdpi.com/2075-4442/3/2/381/pdf |
| article pdf uploaded. | 7 May 2015 16:13 CEST | Version of Record | https://new.mdpi.com/2075-4442/3/2/381/pdf-vor |
