function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Borges, Paulo A. V. & Gaspar, Clara', 56],
    ['Bosmans, Robert & Cardoso, Pedro & Crespo, Luis Carlos', 112],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 196],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 65],
    ['Crespo, Luis C. & Boieiro, Mario & Cardoso, Pedro', 36],
    ['Dean, David Allen', 74],
    ['Deltshev, Christo & Komnenov, Marjan & Blagoev, Gergin', 80],
    ['Dupérré, Nadine', 75],
    ['Esyunin, S. L. & Kazantsev, D. K', 35],
    ['Irfan, Muhammad & Zhang, Zhi-Sheng & Peng, Xian-Jin', 121],
    ['Isaia, Marco & Paschetta, Mauro & Chiarle, Alberto', 75],
    ['Lin, Shou-Wang & Lopardo, Lara & Uhl, Gabriele', 69],
    ['Paschetta, Mauro & Christille, Claretta & Marguerettaz, Fabio', 114],
    ['Tanasevitch, Andrei V.', 418],
    ['Zhao, Qingyuan & Li, Shuqiang', 59],
    ['Other (139)', 836]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=2421)',
    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);