function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Apostolov, Apostol', 18],
    ['Back, Jinwook & Lee, Wonchoel', 18],
    ['Dimante-Deimantovica, I. & Jensen, T. C. & Walseng, B.', 24],
    ['Gee, J. Michael', 15],
    ['George, Kai Horst', 22],
    ['Gheerardyn, Hendrik & Fiers, Frank & Vincx, Magda', 12],
    ['Gómez, Samuel', 28],
    ['Harris, Vernon A.', 34],
    ['Huys, Rony & Mu, Fanghong', 44],
    ['Karanovic, Tomislav & Hancock, Peter', 25],
    ['Karanovic, Tomislav & Kim, Kichoon', 14],
    ['Pugh, P. J. A. & Dartnall, H. J. G. & McInnes, S. J.', 15],
    ['Sak, Serdar & Huys, Rony & Karaytuğ, Süphan', 16],
    ['Sak, Serdar & Karaytuğ, Süphan & Huys, Rony', 29],
    ['Wells, J. B. J.', 28],
    ['Other (178)', 602]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=944)',
    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);