Quick List for capturing standardised photographs.

<p>This could be printed on a small card to be carried with the camera as a reminder to research assistants capturing images.</p><p>Quick List for capturing standardised photographs.</p

The camera settings and icons as used in the protocol (these icons and settings are standard across other popular camera models).

<p>In addition the rationale is provided on why these settings were adopted.</p

Capturing the image using the study camera, grey background, and grey scale in a remote context.

<p>The individuals in this image have given written informed consent to publish this image.</p

Database form used for Quality Control check by medical photographer.

<p>Database form used for Quality Control check by medical photographer.</p

Definitions used for final outcome scoring of digital images of impetigo.

<p>Definitions used for final outcome scoring of digital images of impetigo.</p

Study equipment chosen including the required features, advantages and alternatives available or recommended in the literature.

<p>Study equipment chosen including the required features, advantages and alternatives available or recommended in the literature.</p

Definitions used for the quality control assessment of digital images.

<p>Definitions used for the quality control assessment of digital images.</p

Use of scale to define the upper and lower boundaries of image in the landscape position.

<p>This series of images of the same sore on days 0 (A), 2 (B) and 7 (C) utilise the scale well with the 0 at the top of the image and the 5 at the bottom, are clear and focussed and demonstrate sore healing over time. Limitations include different availability of light as captured during different parts of the day using outdoor light.</p

Cartoon demonstrating the photographer, camera and sore were in the same plane to optimise reproducibility of captured images

<p>Cartoon demonstrating the photographer, camera and sore were in the same plane to optimise reproducibility of captured images</p

An example of the participant identification card described in table 1.

<p>This card contains participant number, date of image, study day, and whether it is sore A or B as up to two-thirds of study participants had two sores enrolled in the study.</p