| article html file updated | 6 February 2020 03:42 CET | Update | https://www.mdpi.com/1420-3049/18/8/9550 |
| article html file updated | 19 September 2019 23:50 CEST | Update | N/A |
| article html file updated | 8 May 2019 01:55 CEST | Update | N/A |
| article html file updated | 21 March 2019 02:42 CET | Update | N/A |
| article html file updated | 14 September 2018 08:49 CEST | Original file | N/A |
| article pdf uploaded. | 15 August 2013 11:56 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/8/9550/pdf |
| article pdf uploaded. | 14 August 2013 11:47 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/8/9550/pdf-vor |
| article pdf uploaded. | 13 August 2013 09:53 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/8/9550/pdf-vor |
| article pdf uploaded. | 12 August 2013 08:33 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/8/9550/pdf-vor |
| article pdf uploaded. | 9 August 2013 10:42 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/8/9550/pdf-vor |
