function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Berlese, Antonio', 2],
    ['Bhattacharyya, Asit K.', 1],
    ['De Moraes, Gilberto J. & Abo-Shnaf, Reham I. A.', 14],
    ['De Moraes, Gilberto J. & Britto, Erika P. J.', 219],
    ['De, Jeferson L. & Lindquist, Evert E. & De, Gilberto J.', 3],
    ['Hajizadeh, Jalil & Javadpour, Mahboubeh & Mohammadi, Leila', 21],
    ['Joharchi, Omid & Issakova, Aigerim K. & Asyamova, Olga S.', 2],
    ['Lin, Jian-Zhen', 15],
    ['Mašán, Peter', 4],
    ['Merlin, Bruna L. & Castilho, Raphael C. & De Moraes, Gilberto J.', 2],
    ['Moraza, Maria L. & Lindquist, Evert E.', 4],
    ['MorazaK, Maria L. & BalanzateguiK, Iñaki', 2],
    ['Nemati, Alireza & Riahi, Elham & Khalili-Moghadam, Arsalan', 3],
    ['Quintero-Gutiérrez, Edwin Javier & Sandmann, Dorothee', 2],
    ['Willmann, C.', 14],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=317)',
    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);