D:	doctor
P:	patient
?	rising intonation
.	a stop indicates the micro-interval between segments of speech
(.)	a stop in round brackets indicates a pause of less than one second
(2)	a number in round brackets indicates a pause timed to the nearest second
::	a colon indicates lengthening of a sound with additional colons indicating further lengthening
no	underlining indicates a word spoken louder than those around it
pres-	a dash immediately after an item indicates that the speaker has broken off before completing the utterance
[	square brackets on successive lines indicate the beginning of simultaneous
[	speech
= =	equals signs indicate that there is no interval between adjacent utterances
{mhm}	curly brackets enclose brief utterances made during another speaker's turn, which show acknowledgement of what is being said
((sighs))	text in round brackets indicates either contextual information or non-verbal vocalisations
(?guess)	text in round brackets preceded by a question mark indicates an educated guess
hh/ha	indicate units of laughter