function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arzanov, Yu. G. & Martynov, V. V. & Nikulina, T. V.', 5],
    ['Colonnelli, Enzo', 1],
    ['Dedyukhin, S. V.', 2],
    ['Douglas, Hume & Bouchard, Patrice & Anderson, Robert S.', 2],
    ['Haran, Julien', 17],
    ['Haran, Julien & Schütte, André & Friedman, Ariel-Leib-Leonid', 7],
    ['Haran, Julien M.', 13],
    ['Johnston, M. Andrew & Waite, Evan S. & Wright, Ethan R', 1],
    ['Tonnancour, Pierre de & Anderson, Robert S. & Bouchard, Patrice', 1],
    ['Yunakov, Nikolai & Nazarenko, Vitalij & Filimonov, Rostislav', 7]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=56)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 10, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);