function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bouchet, P. & Sysoev, A.', 11],
    ['Criscione, Francesco & Hallan, Anders & Puillandre, Nicolas', 24],
    ['Fedosov, Alexander E. & Stahlschmidt, Peter', 5],
    ['Figueira, Raquel Medeiros Andrade & Absalão, Ricardo Silva', 30],
    ['Giannuzzi-Savelli, Riccardo & Pusateri, Francesco & Prkić, Jakov', 5],
    ['Kilburn, Richard Neil', 10],
    ['Li, Baoquan & Li, Xinzheng', 35],
    ['Mariottini, Paolo & Smriglio, Carlo & Oliverio, Marco', 9],
    ['Morassi, M. & Bonfitto, A.', 13],
    ['Morassi, Mauro & Bonfitto, Antonio', 11],
    ['Negri, Mauro Pietro & Corselli, Cesare', 4],
    ['Ortega, José Rafael & Gofas, Serge', 13],
    ['Prkić, Jakov & Giannuzzi-Savelli, Riccardo & Pusateri, Francesco', 4],
    ['Stahlschmidt, Peter & Poppe, Guido & Chino, M', 7],
    ['Stahlschmidt, Peter & Poppe, Guido & Tagaro, Sheila', 4],
    ['Other (13)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=205)',
    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);