function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Apostolov, Apostol', 3],
    ['Boeck, Axel', 1],
    ['Cho, Dae Hyun & Wi, Jin Hee & Suh, Hae-Lip', 3],
    ['Corgosinho, Paulo Henrique Costa & Kihara, Terue Cristina', 2],
    ['Dimante-Deimantovica, I. & Jensen, T. C. & Walseng, B.', 2],
    ['Fuentes-Reines, Juan M. & Suarez-Morales, Eduardo', 2],
    ['Gee, J. Michael', 5],
    ['KARPOWICZ, Maciej', 2],
    ['Karanovic, Tomislav & Cho, Joo-Lae', 5],
    ['Karanovic, Tomislav & Hancock, Peter', 25],
    ['Karanovic, Tomislav Dr. & Eberhard, Stefan M. & Perina, Giulia', 2],
    ['Sak, Serdar & Karaytuğ, Süphan & Huys, Rony', 2],
    ['Tang, Danny & Eberhard, Stefan M.', 4],
    ['Tang, Danny & Knott, Brenton', 3],
    ['Yildiz, Nuran Oezlem & Karaytug, Suephan', 7],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=72)',
    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);