function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aslan, Ebru Gül & Mumladze, Levan & Japoshvili, George', 1],
    ['Biondi, Maurizio & Alessandro', 1],
    ['Biondi, Maurizio & D\'Alessandro, Paola', 1],
    ['Bukejs, Andris', 45],
    ['Cho, H. - W. & An, S. L.', 7],
    ['Clark, Shawn M. & Lillrose, Tiffany & Belo Neto, Luiz A.', 2],
    ['Döberl, Manfred', 2],
    ['Faisal, Mohammad & Singh, Sudhir', 2],
    ['Konstantinov, Alexander S.', 6],
    ['Konstantinov, Alexander S. & Lopatin, Igor K.', 4],
    ['Liang, Zulong & Konstantinov, Alexander S. & Ruan, Yongying', 2],
    ['Petitpierre, Eduard & Sacarés, Antoni & Jurado-Rivera, José A.', 31],
    ['Prathapan, K. D. & Viraktamath, C. A.', 3],
    ['Sergeev, M. E.', 4],
    ['Webster, Reginald P. & Webster, Vincent L.', 2],
    ['Other (6)', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=119)',
    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);