function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Broad, Gavin R.', 122],
    ['Gadallah, N. S. & Ghahari, H. & Monaem, R. & Jussila, R.', 1],
    ['Karimi, Soroush & Ghassemi-Kahrizeh, Akbar & Hosseinzadeh, Abbas', 5],
    ['Kolarov, J.', 11],
    ['Madl, Michael & O, Tersilochinae.', 7],
    ['Moreno, Alejandra González - & Bordera, Santiago', 1],
    ['Plecas, Milan & Zikic, Vladimir & Kocic, Korana', 1],
    ['Riedel & Pénigot & Schwarz & Diller & Johansson & Japoshvili, G.', 58],
    ['Riedel, Matthias', 68],
    ['Riedel, Matthias & Ameri, Ali & Talebi, Ali Asghar', 2],
    ['Riedel, Matthias & Diller, Erich & Japoshvili, George', 24],
    ['Riedel, Matthias & Varga, Oleksandr', 46],
    ['Riedel, Ravenhorst Matthias', 17],
    ['Rousse, Pascal & Villemant, Claire', 2],
    ['Shimizu, So & Chen, Hsuan-Pu & Lin, Kai-Ti & Chen, Ren-Jye', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=367)',
    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);