function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Azadbakhsh, Saeed & Nozari, Jamasb', 1],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 2],
    ['Bousquet, Yves', 90],
    ['Charles Huber & Hannes Baur', 6],
    ['Faisal, Mohammad & Singh, Sudhir', 1],
    ['Guéorguiev, B.', 4],
    ['Hristovski, Slavčo & Guéorguiev, Borislav', 14],
    ['Huber, Charles & Schmidt, Joachim', 41],
    ['Huber, Charles & Schmidt, Joachim & Baur, Hannes', 4],
    ['Huber, Charles & Schnitter, Peer Hajo', 1],
    ['Kavanaugh, David H. & Maddison, David R. & Simison, W. Brian', 4],
    ['Kesdek, Memiş', 4],
    ['Kostova, Rumyana & Gueorguiev, Borislav', 2],
    ['Pilon, Nicola & Cardarelli, Elisa & Bogliani, Giuseppe', 2],
    ['Sasakawa, Koji', 14],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=194)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);