Table 1 An excerpt from a sample event log

1

1

Register patient (rp)

1

False

2

1

Read patient’s journal (rj)

2

False

3

1

Visit patient (vp)

3

False

4

1

Update the journal (uj)

4

False

5

1

Operate patient (op)

5

False

6

1

Update the journal (uj)

6

False

7

2

Register patient (rp)

1

True

8

2

Read patient’s journal (rj)

2

True

9

2

Operate patient (op)

3

True

...

...

...

...

...