function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R.', 10],
    ['Di Giovanni, Filippo & Reshchikov, Alexey & Riedel, Matthias', 2],
    ['Fritzén, Niclas R.', 9],
    ['Khalaim, Andrey I. & Kasparyan, Dmitri R.', 1],
    ['Kolarov, J.', 1],
    ['Matsumoto, Rikio & Takasuka, Keizo', 14],
    ['Miller, Jeremy A. & Belgers, J. Dick M. & Beentjes, Kevin K.', 6],
    ['Riedel & Pénigot & Schwarz & Diller & Johansson & Japoshvili, G.', 4],
    ['Riedel, Matthias & Diller, Erich & Japoshvili, George', 1],
    ['Rousse, Pascal & Villemant, Claire', 1],
    ['Sobczak, Jober Fernando & Messas, Yuri Fanchini', 1],
    ['Sobczak, Jober Fernando & Pádua, Diego Galvão De', 2],
    ['Takasuka, Keizo & Yoshida, Hajime & Nugroho, Putra', 1],
    ['Varga, O.', 5],
    ['Varga, Oleksandr', 5],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);