| article html file updated | 6 February 2020 15:39 CET | Update | https://www.mdpi.com/2075-5309/5/1/149 |
| article html file updated | 7 May 2019 01:33 CEST | Update | N/A |
| article html file updated | 25 March 2019 21:16 CET | Update | N/A |
| article html file updated | 21 August 2015 06:56 CEST | Update | N/A |
| article html file updated | 10 March 2015 07:35 CET | Original file | N/A |
| article xml file uploaded | 10 March 2015 07:35 CET | Original file | https://www.mdpi.com/2075-5309/5/1/149/xml |
| article pdf uploaded. | 12 February 2015 08:16 CET | Updated version of record | https://www.mdpi.com/2075-5309/5/1/149/pdf |
| article pdf uploaded. | 2 February 2015 15:06 CET | Version of Record | https://www.mdpi.com/2075-5309/5/1/149/pdf-vor |
