function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Andrade, Iury Cesar Pires De & Fernandes, André Silva', 4],
    ['Ardila-Camacho, Adrian', 10],
    ['Cao, Chengquan & Liu, Fangqing & Tong, Chao & Fang, Yaqian', 2],
    ['Cardoso-Costa, Gil & Azevêdo, Carlos Augusto Silva De', 2],
    ['Hassan, Muhammad Asghar & Hayashi, Fumio & Liu, Xingyue', 5],
    ['Hassan, Muhammad Asghar & Oswald, John D. & Zia, Ahmed', 2],
    ['Jiang, Wei & Wang, Guoquan & Liu, Xingyue', 4],
    ['Liu, Xingyue & Dvorak, Libor', 8],
    ['Liu, Xingyue & Hayashi, Fumio', 3],
    ['Liu, Xingyue & Hayashi, Fumio & Yang, Ding', 109],
    ['Liu, Xingyue & Price, Ben W. & Hayashi, Fumio & Yang, Ding', 5],
    ['Liu, Xingyue & Price, Benjamin W. & Hayashi, Fumio', 5],
    ['Liu, Xingyue & Yang, Ding', 12],
    ['Martins, Caleb C. & Ardila-Camacho, Adrian', 61],
    ['Tu, Yuezheng & Liu, Xingyue', 3],
    ['Other (14)', 21]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=256)',
    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);