function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Fianco, Marcos', 59],
    ['Fianco, Marcos & Szinwelski, Neucir & Faria, Luiz R. R.', 102],
    ['Gorochov, A. V.', 118],
    ['Hemp, Claudia', 73],
    ['Hemp, Claudia & Heller, Klaus-Gerhard', 56],
    ['Hemp, Claudia & Massa, Bruno', 55],
    ['Hollier, John', 105],
    ['Ingrisch, Sigfrid', 192],
    ['Jin, Xingbao & Liu, Xianwei & Wang, Hanqiang', 73],
    ['Massa, Bruno', 164],
    ['Nagar, Rajendra & Swaminathan, Rajamani & Meena, Ashok Kumar', 220],
    ['Naskrecki, Piotr', 49],
    ['Piotr Naskrecki', 72],
    ['Skejo, Josip & Rebrina, Fran & Szövényi, Gergely', 88],
    ['Ünal, Mustafa', 174],
    ['Other (333)', 2267]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=3867)',
    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);